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The a16z Show · · 43 分钟

Chris Dixon 谈如何构建网络、运动与 AI 原生产品

Anish AcharyaChris Dixon

YouTube
TL;DR
  • Dixon 判断任何技术投资时的第一道筛选,是看是否有指数级力量,而非战术性产品优势在推动它前进。 Moore’s law、开源可组合性和网络效应会持续复利,直到那些为上一条曲线打造的 incumbents 被彻底淹没。他的行动准则是:「这些力量无论好坏,都会压垮你」(“These forces are going to overwhelm you for better or worse.”)。

  • AI 产品可以先靠单用户价值启动,只有在网络真正有用时再加上网络层。 Instagram 先用免费滤镜和 Twitter 分发吸引用户,之后自身网络才开始发挥作用;Dixon 认为 Substack 也类似,最初借助 email 和 Twitter。 「先因工具而来,后因网络留下」(“Come for the tool, stay for the network”)既解决冷启动,也弥补了独立工具护城河较弱的问题。

  • AI 的护城河可能越来越多地存在于产品之外,包括品牌、全网分发、资本和生态注意力。 Midjourney 的教程、Cursor 的口碑、搜索排名、推荐机制和创作者报道,都可能形成一种“外部化”的网络效应。尽早到达「占住这个梗」的位置很重要,但要维持它,仍需要高昂的产品迭代速度;Dixon 也认可资本最终可能成为护城河。

  • 到目前为止,消费级 AI 展现出的更像是付费意愿上升,而不是零和挤压。 Acharya 提到 Google 最高档套餐月费250美元、Grok 月费300美元,随后提出一个极端判断:消费者的可支配收入可能最终都花在「食物、房租、软件」上。市场或许既能容纳规模越来越大的平台,也能容纳「单人年化收入1亿美元的公司」。

  • 规模小但强度高的运动是有价值的领先指标,但热情本身并不等于市场。 Dixon 会寻找约2万名「极度狂热、甚至带有邪教色彩」的参与者,他们拥有自己的语言,以及明确的圈内圈外规范;这一模式曾帮助他理解 Coinbase 和 Oculus。Acharya 认为3D打印缺乏现实世界中的指数级力量,Dixon 则反驳称 Function Health 可能代表一场更慢的健康运动。时机风险仍然存在:一场运动可能需要「100年,也可能只要100天」。

  • AI 创业者必须为一段可能持续10年的旅程选对 idea maze,同时把今天的界面视为可能只是拟物化的产物。 全行业 AI 的“元过程”仍可能持续复利,即使单项技术遭遇边际收益递减;但通用型“God models”也可能吞并部分应用场景。Prompt 可能只是 AI 的命令行时代,真正持久的机会或许在深度垂直领域和目前尚无法预测的新媒体形态中。

  • 开源仍是防止少数模型供应商向每家创业公司和每位消费者收租的主要制衡力量。 训练资本开支意味着,开源模型比 Linux 时代的软件更难获得稳定的长期资金,因此 Dixon 可接受的均衡状态是:开源模型略落后于前沿,但对大多数需求足够好用。他「谨慎乐观」,同时警告,若最终出现4个远超其他模型的闭源系统,将是糟糕的结果。

摘要 · 为研究而整理的核心内容

1. 指数级力量决定哪些产品会成为平台

  • Dixon 最根本的问题是:为什么科技公司可以凭空出现,触达数亿乃至数十亿用户,并创造其他行业极少见的结果?他的答案是一组会持续复利的“超线性力量”,而不只是对良好执行力的奖励。

  • Moore’s law 是最典型的例子:半导体性能大约每18个月至2年翻倍,存储和网络也同步进步。Apple 的洞察并不是第一代 iPhone 已经拥有无限能力,而是看到了这条曲线,并围绕它构建产品。

  • 可组合性提供了第二条曲线。Linux 从1990年代的业余项目成长起来,是因为开源调动了互联网规模的集体智慧,把软件变成可重复使用的“乐高积木”;正如 Dixon 引用的那句原则:「只要有足够多双眼睛,所有 bug 都很浅」(“All bugs are shallow with enough eyeballs.”)。

  • 网络效应是第三条曲线:Facebook 从哈佛年鉴起步,通过一个个“跳板”扩展到其他学校,最终走向全球。在另一个技术沿曲线改善的例子中,Dixon 回忆说,聊天机器人「大约在2016年前后」也曾迎来一个时刻,但当时还不够好;OpenAI 和其他先行者提前下注,而技术进步的速度后来超过了一些乐观者的预期。

2. 最强的 AI 护城河可能在工具找到用户之后才出现

  • Dixon 所说的「先因工具而来,后因网络留下」模式,起点是让一个原本空荡荡的网络先具备实际用途。Instagram 提供竞争对手收费的滤镜,并通过 Twitter 分发;Dixon 认为 Substack 也类似,先借助 email 和 Twitter,之后自身应用才逐渐形成网络效应。

  • 网络层的强度各不相同。Google Docs 增加了协作价值,但仍然容易被替代;离开 Instagram,则可能意味着放弃自己的关注者。Stripe 的 Link 和 Shopify 的 Shop 也把商户工具延伸到面向消费者的产品;Dixon 说 Shopify 现在「某种意义上已经有了一个网络」,同时避免了约会网站那种「没人愿意加入一个只有两个人的约会网站」的问题。

  • Acharya 反驳称,incumbents 如今已经理解这套打法,会主动让潜在威胁失去分发渠道;而 AI 工具可以通过专业化和审美差异共存——Midjourney 不需要看起来像另一个图像生成器。因此,创业者面临一个真实的不确定性:是预先设计网络,还是持续延伸工具,直到网络层自然变得清晰?

  • Dixon 的另一种判断是,网络效应如今可能已经「外部化到互联网」:教程、influencers、搜索位置、模型推荐和品牌共同强化 Midjourney 或 Cursor。时机可以帮助产品「占住这个梗」,而持续的质量、产品迭代速度,以及尤其是 AI 领域的资本,则决定这种效应能否维持。

3. 运动揭示未来,但热情本身不是市场

  • Dixon 过去经常泡在 subreddit 和小众社区,因为有趣的运动往往由数量少得出奇、但投入极深的人推动。Wikipedia、Stack Overflow 及其他社区项目,常常依靠一个约2万人的核心群体发展起来;他们聪明、通常具备技术背景,并拥有远超规模的建设和分发能力。

  • 典型特征是一群「极度狂热、甚至带有邪教色彩」的人,他们有独特的语言、规范,以及清晰的圈内圈外边界。沿着这类人的兴趣追踪,Dixon 最终关注到了 Bitcoin。围绕3D打印和 VR 的相关业余爱好者判断,也促成了他对 Oculus 和 Coinbase 的投资;他还谈到 MakerBot、nootropics、Soylent 和无人机。

  • 这套方法并非万无一失。Acharya 认为3D打印缺少 Moore’s law 在现实世界中的对应物;Dixon 则反驳称,Function Health 可能催生一场大规模的 quantified-self 运动,而 nootropics 是其前身之一。双方没有解决的问题是时机:看似小众的领域,可能始终只是爱好,也可能在很久以后才开始复利。

4. AI 正在重振付费软件,同时削弱开放互联网

  • Acharya 表示,指标显示如今超过95%的互联网流量和收入集中在5至10家公司手中。AI 可以通过直接回答问题、减少点击跳转,进一步加剧这种集中;SEO 流量下降又会迫使网站增加弹窗,恶化用户体验,推动“负向飞轮”加速运转。

  • Stack Overflow 体现了这场权衡:Chris 说部分训练数据可能来自 Stack Overflow、GitHub 等网站,但 Cursor 一类工具正在降低用户访问这些网站的必要性。他称 Cursor 是「不可思议的工具」,「显然对世界有益」——它对用户有益,即便会伤害那些提供知识的网站。

  • Acharya 认为,“窄领域创业公司”可以凭借极高价值收取高价,并提出一个颇具争议的判断:「不存在营销问题,只有产品问题。」AI 的高成本反而可能改善商业模式,迫使消费级创业者尽早变现,而不是为低质量的用户参与度提供补贴。

  • 当 Dixon 问付费细分市场是否会耗尽高支付能力用户、最终转向广告时,Acharya 回应称,可服务需求可以继续细分:先是 AI therapy,再是 ADHD therapy,然后进一步细分到特定人生阶段和互动方式。Dixon 说,市场到目前为止还不是零和博弈:价格在上涨,「一切感觉都在奏效」。

5. 选对 idea maze 比第一次实现更重要

  • Dixon 借用 Balaji Srinivasan 的“idea maze”概念,拒绝把选择简化为想法还是执行。创业者必须进入正确的迷宫,并在接下来10年保持敏捷:Netflix 始终坚持订阅制电影这一核心判断,却从邮寄光盘转向流媒体,再进入原创内容。

  • 包括 LLM 预训练在内的单个 AI 过程,可能会遭遇边际收益递减——Dixon 明确表示这要听取专家意见——但更大的“元过程”还包括 reinforcement learning 和许多其他方法。就像半导体制造一样,一项技术可能撞上瓶颈,另一项技术却能让整个行业继续沿着平滑的指数曲线前进。

  • 这既带来机会,也带来「残酷的」竞争环境。创业者必须判断通用型“God models”是否会吞并自己的部分应用场景,并通过领域深度、品牌、用户或分发构建防线。Dixon 将这种可能的行业洗牌比作 PC 硬盘行业的「果蝇式达尔文竞争」。

6. Prompt 可能只是 AI 的命令行时代,而非原生形态

  • Dixon 将拟物化定义为把旧媒介的语法搬进新媒介:早期电影像拍下来的戏剧,早期网站像目录,早期 YouTube 充满病毒式短片,直到原生创作者出现。宽带、文化变化、网络效应和代际更替,共同帮助互联网独有的形态浮现出来。

  • AI 图像和视频生成也可能先自动化既有媒介,之后才创造真正全新的形式。Dixon 的类比是,摄影曾威胁具象绘画,但相机最终催生了电影;他怀疑 AI 的原生形态会出人意料。Acharya 认为,这可能还需要一代人的时间,或者5至10年。

  • Dixon 称今天的 AI 处于「命令行时代」:大多数人无法把自己想要的音乐描述成每分钟110拍的某种审美,因此 prompt 可能不是长期理想的界面。Acharya 提到,如今有些人把这项工作称为“context engineering”;Dixon 认为 Spotify 的历史数据比文字描述更适合作为输入,Acharya 则推测,环境设备可能会自动捕捉上下文。

7. 开源是对抗模型集中的经济制衡力量

  • Dixon 认为,开源让技术便宜到足以装进一部10美元的 Android 手机,也让创业公司能够以几十万美元甚至更少的资金,推出具备竞争力的产品。没有开源,操作系统、后端软件和其他技术栈环节都可能分别收取费用。

  • 当下最紧迫的政策重点,是防止事实上的禁令:Dixon 提到一项加州法案,要求开发者承担无限的下游责任。更难解决的结构性问题是资本,因为 AI 模型需要巨额训练支出,而不是简单地「一群程序员坐在那里」。

  • Dixon 转述称,Microsoft 的 Satya 认为企业至少会资助一个开源替代方案。Meta 的 Llama、一些创业公司,以及中国推动开源的做法,都代表其他可能性;Dixon 还把 OpenAI 发布旧模型视为一个例子,说明开源模型或许可以保持在前沿模型之后。可行的均衡状态可能是:开源模型对大多数创业公司足够好用,也能提供低价的消费级医疗建议。

  • Acharya 提出 Android 这个警示案例:名义上开放的代码,最终可能通过专有服务和权限体系,在运营层面变成封闭系统。Dixon 仍认为,情况比3年前更好,并保持「谨慎乐观」——前提是市场不要走向4家拥有远超其他模型、并向整个生态收租的闭源供应商。

Chris Dixon

Whether you're an investor or entrepreneur, the most important thing to start with is to look for these forces—to look for these exponential forces. You can do all sorts of tactical product things, everything else, but these forces are going to overwhelm you, for better or worse.

Anish Acharya

How intentional do you think you have to be as a founder about building? You're building a tool—do you have to be thinking about the network as a priority, or can the network sort of emerge? Because in AI so far, we've seen a lot of tools and not a lot of networks. What's your instinct?

I'm super excited and honored to have my partner, Chris Dixon, here today. Chris, you're probably best known for your work in web3 and network effects recently, but what folks may not know is that you led a lot of the most important consumer investments at Andreessen Horowitz, and prior to that, you also founded 2 consumer companies. I thought a fun place to start would be networks. That feels like the first place you really cut your teeth. So maybe talk about your investments in Stack Overflow, Pinterest, and Instagram, and how you generally think about consumer networks.

Chris Dixon

So many of the most important internet services are networks, right? Going back to the early internet, email and the World Wide Web—which are still, of course, around and really important—are networks. They're networks in the sense that the service gets more valuable as more people use the network. If you were the only one on email, it wouldn't be particularly valuable.

During the rise of the internet in the 1990s and 2000s, that's when you had things like YouTube and Facebook, and later on Instagram, along with a whole bunch of other really important networks. If you're an entrepreneur or an investor during that period, they tend to be very valuable companies. They're very hard to build, and we can talk about that later. There are different tactics and strategies for doing that.

My background is that I started 2 companies. The first was a consumer security company, and the second was a consumer AI company. Then I was a personal investor. I co-founded a seed fund called Founder Collective, which was an investor in things like Uber, Venmo, and Stack Overflow, as you mentioned. I was involved in a bunch of these networks as the internet evolved.

I think to really talk about networks, though, it's important to step back. To me, a foundational question in tech is: Why do these companies come out of nowhere and end up being very impactful, having hundreds of millions or billions of users, and being very valuable in a way that you typically don't see in other industries? What's fundamentally different about tech?

I think the answer is that in tech, you have some very strong, exponential, superlinear forces. The most famous example of that is Moore's law. Moore's law is the idea that roughly every 2 years, or 18 months, the performance of semiconductors doubles. It's a rough approximation, but it's basically been true. You've seen this compounding improvement in processor performance.

I think there's also a broader Moore's law, which is that storage, networking, and all kinds of computing resources have gotten much better. That's why you have things like mobile phones. If you go back and look pre-iPhone, mobile phones were pretty junky and limited in capability. They didn't have touchscreens and had poor performance.

What Steve Jobs and Apple saw brilliantly was that, actually, by the way, the first iPhone was also quite limited. I was one of the people who bought it on the first day, and it was quite limited. But part of their brilliance was that they saw this curve. They saw this exponential curve and rode it. Moore's law is a very important exponential curve.

The other 2 really important exponential curves in software are, first, what I call composability. Composability is really what has accounted for the rise of open-source software.

Why did Linux go from a hobby project in the 1990s to the dominant operating system in the world today? A lot of the answer is composability. Composability means the software is open source, so anyone can contribute to it. More importantly, you can harness the collective intelligence of the internet, as opposed to locking it up and relying only on your employees.

Anyone in the world can contribute. The famous phrase is, “All bugs are shallow with enough eyeballs.” Really importantly, with open source, software becomes like Lego bricks, where anyone can take a piece and reuse it. You get this compounding, exponential improvement and growth.

The third really important exponential force in tech is network effects, as we were talking about. That's why networks are so important. They often start off quite limited. Facebook was just at Harvard, and it was essentially a real-time yearbook for students at 1 school. Then, of course, it hopped by lily pads to other schools and high schools, and eventually to the global domination we have today.

Mark Zuckerberg and the team saw the power of network effects and rode those network effects. That's why Clay Christensen calls this “disruptive technologies.” It's this puzzle of why, in tech, you have these very strong incumbents who seem to miss the next thing.

You could tell the story today about maybe Intel and Nvidia, or even ChatGPT and Google.

Anish Acharya

Or even ChatGPT and Google. I was just reading about that.

Chris Dixon

That's a great example. Neural networks 10 years ago were kind of toys, right?

Anish Acharya

Yes.

Chris Dixon

They were cool, and a bunch of people saw their potential, but the reality is they just didn't work that well. I remember there was a chatbot—I want to say around 2016 or something. If you remember that, chatbots had a moment back then.

They had a moment, but the reality is they weren't that good. They just couldn't do the job. But, of course, they got much better, and the genius of OpenAI and other pioneers in the space was to make that bet, right?

Anish Acharya

That's right.

Chris Dixon

Google today is in an awkward position because it has this huge incumbent business that depends on sponsored links, and it's trying to layer in AI and do things like that. In some ways, it didn't come out of nowhere, but it grew faster than even some of the optimists predicted. It improved faster.

The big takeaway here is that whether you're an investor or entrepreneur, the most important thing to start with is to look for these forces—to look for these exponential forces. One of the lessons I learned in my career was that you can do all sorts of tactical product things, but these forces are going to overwhelm you, for better or worse. The first thing to understand is the landscape of these forces, how they're moving, and how you can hopefully be on the right side of them.

Anish Acharya

How intentional do you think you have to be as a founder about building? You're building a tool—do you have to be thinking about the network as a priority, or can the network sort of emerge? Because in AI so far, we've seen a lot of tools and not a lot of networks. What's your instinct? And, of course, in hindsight, everybody was designing a network from day 0.

Chris Dixon

That's a great question. I wrote a blog post years ago called “Come for the Tool, Stay for the Network,” and the idea was that I was observing what I saw as a tactical pattern among entrepreneurs. I cited Instagram as an example. Young people won't remember this, but Instagram's network initially was not a big part of the product. It had a button where you could share on Instagram, but why would you do that? No one was on it.

What you would do, I think, was 2 things. First, Instagram had these cool filters, which at the time you had to pay for on other services, and they gave them away for free—effects or lenses, whatever you want to call them. Secondly, they piggybacked off other networks. You'd share to Twitter. Then, I think a year or 2 later, Twitter blocked them, and there was a whole thing.

You see that today, maybe with Substack. Substack starts off piggybacking on the email network and on Twitter. My sense is that they're now getting traction with their own network. You go to the Substack app, right?

Anish Acharya

That's right.

Chris Dixon

I think it's a similar tactic. You can see some of this “come for the tool, stay for the network” pattern in modern productivity tools. I'll defer to you on this because I'm not as up to date, but

Anish Acharya

Think about Figma and Notion—things like this.

Chris Dixon

They're useful as single-player tools, right? You can just go to Notion, and it's a really nice way to edit a document, or use Figma to do design.

Anish Acharya

But there are also social features that I think become essential.

Chris Dixon

These things are always a matter of degree. Google Docs—I love Google Docs, and I use the social features. The reality is, is it really a network? I could probably switch and just share links with somebody else.

But the social features layer on. For some products, like Instagram, they become essential. You simply can't leave Instagram if you have a following and want to keep that following.

So it kind of varies by use case. But I think the point, by the way, is that you see some of this now in Stripe doing the Link product, which is a payment app. I think Shopify and the Shop product are a really nice user experience: I don't have to type in my credit card again. Now there's kind of a network, right? Shopify originally was just kind of a tool for sellers.

Anish Acharya

For a merchant to get online.

Chris Dixon

That's right. So I think it's a really powerful tactic, right? Because network effects cut both ways. Network effects are great when you have them, but they're really hard in the beginning. No one wants to be on a dating site with 2 people, right? How do you make these things useful from day 1?

The problem with single-player products is that they're just hard to defend, right? I think you're seeing this in AI today. You're seeing a lot of really cool tools because it's an amazing technology, but then it's like, okay, you can change your face with FaceApp or whatever. But how does it move beyond faddishness? How does it move to something that really engages people over a long period of time?

Often, the answer in consumer products is networks. So then you have to layer in a network. The challenge, of course, is that you don't want to just layer it in for the sake of it. You need it to actually be useful. So, yeah, I'd love to hear from you. What are you seeing in that area?

Anish Acharya

Yeah. Well, it's actually interesting. It feels like the big networks have become hypersensitized to this idea of new networks emerging that were bootstrapped on their networks. I think Twitter 10 years ago would have been a lot more asleep at the wheel to the threat of Substack, and they were pretty aware of this potentially happening. Of course, Facebook has deplatformed a ton of companies that they thought were going to do this, as have Instagram and others.

One, I think the networks are more sensitive. Then, on the tool side, the tools have been specializing in their own directions. Part of it is product features, but part of it, even for some of the multimodal tools, is aesthetics. Midjourney just has a different aesthetic than Ideogram, so they can both coexist and they're not directly competing. Even though the tools are seemingly substitutes, so far we haven't seen that trade-off, and they're all working. Maybe that's just where we are in the product cycle.

But I do think it's a topic for a lot of AI founders: there's not an obvious network to build around a lot of these tools. How much of that should be predesigned versus, “Let's just keep pushing the edge and the network will emerge”? It will show up in 2 ways. One would be in usage—you might see some of these tools not get used as much—but the other is in pricing, right? Like—

Chris Dixon

Yeah—

Anish Acharya

Even if you carve out a niche, how much more are people willing to pay for that niche versus those competitors, right? So—

Chris Dixon

Yes.

Anish Acharya

Yeah. And actually, prices have been going up, interestingly. Google's top SKU is $250 a month. Grok is $300 a month. I don't think we've ever seen a time when consumers were paying those kinds of prices. One of our extreme views here is that the future of consumer disposable income will be food, rent, and software. Software is going to subsume a lot of the other areas of discretionary spending today.

Chris Dixon

Yeah, it's also possible. I've always suspected that in tech, we in Silicon Valley underestimate the power of brands and consumer inertia. I think you're seeing that today with ChatGPT, which became such a household name almost overnight.

Anish Acharya

Even though it doesn't have, in the technical sense, maybe network effects—I mean, memory and things, but that's more stickiness than network effects—the brand effects are so powerful, right? Cursor is known as the best vibe-coding platform or whatever.

That's right. Yeah, I was going to ask you about that, Chris. Of course, network effects are the gold standard for defensibility. You've maybe talked a little bit about how brand is underappreciated; you just mentioned it. Do you think being a high-NPS, DAU product is enough of a moat? Or do you think that we really have to push for building around these compounding forces?

Chris Dixon

Yeah, it's a really interesting question. One argument would be that the internet—I think there's a decent argument; I was actually having this discussion at one of our partner off-sites—is that maybe a lot of the network effect has been externalized to the internet. The idea being, you have Cursor, and then suddenly it becomes popular.

Or Midjourney, let's say, and then you get all of these Midjourney influencers, YouTube videos, and how-to guides. So you still, in some sense, have a network effect, but it's not a network effect that's in the product itself. It's sort of externalized to the internet, right?

Anish Acharya

You try to show up top in search; ChatGPT recommends you; the algorithms feature you. And, of course, there's a soft sense of a brand—people have heard of you.

Chris Dixon

But it's also this whole giant kind of system, right, with all of these different interconnecting networks that might strongly favor those products. Then it becomes sort of a timing thing, right? You get in early. The timing seems quite important: being the first to own the meme in the category and get that effect going, and then maintaining it through product velocity, high quality, and everything else, which is nontrivial.

It's very hard to do, I think, particularly in AI. You tell me, but

Anish Acharya

To always stay on the cutting edge is expensive and takes a lot of capital. That's another thing, by the way: the capital effects in AI.

Chris Dixon

Right. You do well, you raise the most money.

Anish Acharya

I assume the people raising $1 billion have already proven a bunch of things, and at some point the capital becomes a moat, right?

Chris Dixon

100%. Yeah. No, it's very interesting, because there's this barbell that's happening even in software, where the bigs are getting bigger, but we're also seeing the single-person, $100 million run-rate company coming—or maybe it's already here. Certainly, the bigs are getting bigger, and capital is a part of that.

Anish Acharya

And maybe the market's just so big that the answer is both—all of the above. It may just be that, as you said, it becomes like food and rent, and software is moving beyond the quote-unquote software budget.

Chris Dixon

It really hasn't been zero-sum so far. It's been shocking: prices are going up and everything feels like it's working. Maybe we'll look back and say that was a sign, but so far, so good.

Anish Acharya

You know, Chris, I thought, actually, since you mentioned vibe coding, it would be fun to talk about movements. It feels like you've been early to a bunch of movements. Products like Coinbase, of course, and MakerBot—those felt like niche communities on the internet when you started paying attention to them.

How do you think about investing in movements, and how do you think about building around them when there are questions around, “Is this a toy? Is this something structural? Is it durable or ephemeral?” Maybe talk a bit about that.

Chris Dixon

Yeah. I mean, it's a little bit to the point we were talking about, about the networks becoming externalized. I used to spend a lot of time, 10 to 15 years ago, on subreddits and niche communities, partly because I'm interested in that stuff and partly because I think they're very powerful.

If you look at Wikipedia, Stack Overflow, and a lot of these interesting movements—community sites—they're often 20,000 people. They aren't that many; they aren't the millions that you might think. There are millions maybe doing a little bit here and there, but I just think a lot of the things that have been popular movements that grew were really led by a relatively small—I mean, on the internet scale, relatively small—hardcore group of enthusiasts who are really smart and often technical.

There's this famous old quote, I think from William Gibson, that “the future is already here; it's just not evenly distributed.” I've always believed that. If you just go back historically, that's the case. We're talking about neural networks; that's been going on since 1943 or something. There have been communities of people, including a lot of the people who lead the labs today, who 15 years ago were seen as niche, or more niche, or something. Neural networks weren't the dominant approach.

With that thesis, you want to find the next thing, the next big thing.

One way to do it is to look around and see where these hyper-enthusiastic, sometimes cultish communities are. They have their own language, their own norms, and a sense of insiders and outsiders. I got into that kind of thing a while ago, and that's how I originally got into Bitcoin: I followed those people, and it was one of those things that sounded kind of silly at first, but as you learned more about it, it seemed a lot more interesting.

Anish Acharya

That's always an interesting feature, right? There are some things you learn more about and they aren't that interesting. Some things are kind of silly—the moon, conspiracy theories that the Earth is flat. I spent an hour one day looking at that stuff, and it's just crazy. I don't know, the moon-landing conspiracies or whatever.

Chris Dixon

Whereas you dig into this stuff, and you don't have to agree with everything, but there are smart people and it's very interesting. For me, it was 3D printing. This led to my investment in Oculus and Coinbase, which really were both from that thesis—VR, seeing the developers and the Kickstarter community's enthusiasm around what Palmer Luckey was first creating. I also got into nootropics, and that led to investments in things like Soylent. When I joined the firm in 2013, drones were a thing, and we did a few investments around that.

Anish Acharya

Looking at these interesting hobbyist and hobby communities, there are a bunch of reasons why I think it's an interesting way to look at things.

Chris Dixon

One is that those are the people who create these things. If you have 20,000 highly interesting technologists, they often build things, right? They're going to build interesting products. It's also a great marketing engine: they're out there, and they often have outsized influence on the internet. They have followings, and they help get the energy going, build things, and market them.

Anish Acharya

It's not foolproof, and it's hard because a lot of these things end up being niche or don't have—going back to the exponential forces—

Chris Dixon

You take nootropics: that's still a thing that's around, but I don't think it has created a big tech company, as far as I know.

Anish Acharya

But I think it's partly because it just has linear forces, not exponential forces, behind it, right? There's not some engine exponentially driving it to have better and better products.

Chris Dixon

Maybe, actually, though, if you look at a company like Function Health, Function Health is the catalyst for this huge consumer movement around health and the quantified self. Nootropics were a bit of a predecessor to that. In a sense, there is this slow exponential and then very rapid uptake. I think timing is a really interesting question here, because with these movements, you don't know if they're going to play out over 100 years or 100 days sometimes.

Anish Acharya

Yeah, and you're right. It could just be that 3D printing is a good example. It's still around, but it didn't get as big as people had hoped. I had an investment in MakerBot back then, which was a leader and got acquired, and it's still a hobbyist thing. It's interesting. I think the limiting thing is that, in the physical world, there isn't a kind of Moore's law driving it. That said, I expect that over 50 years or something, it will become a more important thing. You're right—it could just be a timing thing.

Chris Dixon

Yeah. The vibe-coding thing, to come back to that, feels like this irreversible consumer phenomenon, where everybody is maybe not quite programming but creating software in a way that they weren't 10 years ago. How do you think of that as a decentralizing force? You've talked about the economics of software versus the means of production. The means of production are getting decentralized through these new tools, like Replit and others, and Cursor. Is that sufficient to lead to a renaissance in the open web, or what do you think are the second-order implications of everybody programming?

Anish Acharya

It's a great question. The thing with the internet and the consolidation—I wrote a book about blockchains, and this was a core theme in the beginning of the book—was talking about what happened with the internet getting consolidated. If you look at metrics like the amount of money, revenue generated, and traffic, more and more, 95%+ of both of those metrics are now in the hands of 5 to 10 companies.

You can make an argument either way with AI. We're already seeing this in the data: a lot of AI obviates the need to click through and go to a website. I think we just saw a report that a bunch of travel sites and others were seeing alarming drops in SEO, which I think is inevitable.

Look, it's a mixed thing. On the one hand, as a user of ChatGPT, it's amazing to just get an answer and not have to go searching again, then go through all these websites. It's this vicious cycle where the websites lose traffic, get more desperate, and put up pop-up ads and other things, so it becomes an even worse experience. This has been going on for about 10 years—a kind of negative flywheel.

On the one hand, it's great for consumers. You get an answer right away. We were investors in Stack Overflow, which got acquired, but I think its traffic has dropped a lot because of vibe coding. Some of the training data probably came from Stack Overflow, GitHub, and other places, but then the technology becomes better. I use Cursor and have used it to do some fun projects. It's an unbelievable tool, and I think it's clearly good for the world, even though it's bad for those websites. It's a great question.

Chris Dixon

I hope what we're seeing is a renaissance of paid software—businesses that don't need to dominate the internet and be Facebook, but can get to hundreds of millions in revenue. I think we're seeing this, right? From an entrepreneur's perspective, it's a very exciting time. We can see a lot of great products, and I think it's a great time for consumers.

Maybe that will change over time. Maybe companies will need to layer in ads, and the incentives will shift toward things that are more adversarial toward consumers. Right now, I like the AI products because they feel very aligned with users. They're genuinely trying to create great products and charge for them.

Anish Acharya

Exactly. We sort of call it the emergence of narrow startups, where they charge high prices and deliver exceptional value. Maybe a controversial statement right now is that there are no marketing problems, only product problems, because the technology allows you to be so ambitious on behalf of your customer. The costs actually, ironically, lead to better business models because consumer founders need to think about monetizing early; otherwise, they're just going to go out of business. It does feel like there's a renaissance in paid software that's happening, which makes it a more fun time to build than it was 5 years ago.

Chris Dixon

Do you think that over time that will potentially shift because people will realize that maybe the low-hanging fruit among higher-paying consumers is picked, and to get the rest you need to layer in different business models—ad-based business models and so forth?

Anish Acharya

I don't know. No, I mean, it feels like there are so many more consumer needs that are addressable, and they're addressable in such a significant way through the technology that you can specialize and go very, very deep. There is AI therapy generally, then there's AI therapy for people who have ADHD, and then there are people with ADHD who are in a certain life stage and perhaps want to interact in a certain way. You can just go extraordinarily deep. I don't know if it leads to consolidation over time, or if you can continue to specialize and, for a small number of people, be their primary provider.

That might lead to a good topic around the idea maze. You know, Chris, you've talked a bunch about platform shifts. You've invested around platform shifts, and you've predicted them. One of the interesting things about this platform shift is that the properties of the platform are emergent. They're not explicitly defined by Apple, as iOS was. There are things that founders—and even the people training the models—are discovering. Does that change your mental model around platform shifts, and how similar or dissimilar is that to Web3?

Chris Dixon

Yeah, the idea maze concept originally came from our friend Balaji Srinivasan. I wrote about it a while ago. The way I think about the idea maze is that there was this old debate: with startups, are the ideas more important, or is it the execution? I think the idea maze says they're both important, in the sense that it matters which maze you enter.

I’m entering the AI maze for healthcare, or I’m entering the AI maze for image generation or whatever. Clearly, the idea matters: you go in with an initial product idea. But it also matters that it’s a maze, meaning it’s dynamic. The world will shift, so you can’t predict it.

The canonical example in my mind is Netflix. Netflix started off mailing CDs. The hypothesis was that the internet had changed the way people consume movies, that people would subscribe to them, but that today we needed to send them by mail. Over time, they pivoted to digital distribution. Then they started getting pushback from the content providers, and they pivoted to original content.

They really did 2 almost complete company pivots, but their core maze was right. Their core maze was that the internet would lead to subscription movies in some broad sense, and that was correct. But they were extremely agile with respect to the implementation of that.

To me, that’s the idea maze concept. You’re entering a maze as an investor, and as a founder you need to think, “Am I a person who wants to be in this maze for 10 years? Am I willing to be agile and often persevere through difficult periods?” It’s often emotionally challenging, I think, and not just intellectually challenging. That’s kind of the life of a startup.

Now, when you think about AI, look, we have a very clear megatrend of AI being intelligence. It’s a very broad and important technology. Obviously, everyone knows that. Secondly, you have these scaling laws, which seem to be quite powerful: the models are getting much better.

An important distinction would be that there are specific scaling things, like LLM pretraining, where people may debate at what point you have diminishing returns. Maybe we’re hitting that. I don’t know.

Anish Acharya

I defer to the experts.

Chris Dixon

But then there’s that sort of a process, and then there’s the meta-process. The meta-process is AI overall, right? There are people working on reinforcement learning and, I’m sure, 100 different techniques.

AI—the sort of meta-process—means that it’s at this point really an economic phenomenon. There are all these smart people involved. There are business models behind it, and there’s funding. There’s not just 1 process; there are many processes being explored.

It kind of reminded me of Moore’s law. From the outside, Moore’s law, naively—I’m not a semiconductor person—seems like, “Wow, these semiconductors magically get better every 2 years.” If you read a few books about it, from their perspective, they run some fabrication technique, it hits a wall, they freak out, and then some brilliant person from another lab comes up with a new fabrication technique.

Each process would run, have diminishing returns, and asymptote at some point, but the meta-process—the bigger industry flywheel—did not. It led to this smooth growth. My sense is that AI is in that kind of semiconductor-like place, where you have this meta-process that’s very likely to continue scaling exponentially for a very long time.

That creates a huge opportunity for entrepreneurs. The opportunity is obvious: you can build things with capabilities that will grow. There’ll be all these new opportunities and so forth. The challenge is, are the incumbent models going to be sort of God models that subsume your use cases? How do you play that?

What you’re seeing is that people say, “I’m going to go so deep on a domain that that will be my edge. I know everything about this specific domain, and I know that no matter what the incumbent models do, I’ll always be able to have an edge in my product.” Or, “I’ll have such good brand recognition, or a strong user base, or reference selling,” or whatever it might be.

I think that’s both the threat and the opportunity. If you go back—with the semiconductor analogy I mentioned—the canonical case study in Clayton Christensen’s The Innovator’s Dilemma is the hard-drive makers in the PC industry. It was a very fruit-fly, Darwinian struggle where you had thousands of companies and very short life cycles for a lot of them, but also a lot of very successful companies.

It may be a very brutal process for entrepreneurs, in the sense of a lot of competition, a lot of other smart people, and a very dynamic idea maze—but also a massive opportunity.

Anish Acharya

How do you think, Chris, about native versus skeuomorphic technologies in that context? Everything is changing, especially when you’re building for consumers. Does a consumer change their preferences when these magical new technologies are invented, or, in a sense, does the emergence of native technologies also depend on consumer preferences changing and being informed by these external forces about things like AI?

Chris Dixon

Yeah, great question. Maybe I’ll define the term first. Skeuomorphic is a term Steve Jobs used with respect to design to talk about how he liked some designs. The original bookshelf app on the iPhone had grainy stuff in the background design, or the trash can on the desktop computer. It hearkens back to a different form factor.

It’s a common pattern in technology and media. When you have a new platform or media form develop, people start off imitating the prior media form. Early films were shot sort of like plays, with a camera and a better distribution model. Then people invented a native grammar of film: close-ups, establishing shots, and all those kinds of things.

A lot of the 1990s internet looked like you would take a catalog—a commerce catalog—and put it online, or take a brochure and put it online. It took 10 to 15 years before you had things like YouTube, modern social networking, and things that really just couldn’t have existed prior to the internet, like user-generated content, where anyone can upload a video.

Some of it is the technology. YouTube couldn’t have existed until you had really wide broadband penetration, so some of it is that the underlying technology takes a while to get there. YouTube also, when it started off, was just funny viral videos. A lot of it was copyright violations. It took a while to develop native YouTubers—content creators.

That’s often just a generational thing. I think it literally is a new generation sometimes: people who don’t look at the technology as a threat, but as an opportunity. That was a big part of it.

Part of it is that entrepreneurs just have to figure out the idea maze. They have to figure out what people want. Around YouTube’s time, there were a lot of debates about whether people wanted to take the NFL and stream it to the web. There were a lot of companies doing that. The assumption was that tastes weren’t going to change. Why would people want to watch 4 people joke around?

Maybe there were analogues, like, “Is that like talk radio, or is that this?” But they really just didn’t understand. I don’t think human nature changed. Obviously, there’s a new generation with different ideas, but I don’t think humans fundamentally changed in a deeper sense. It was about understanding the capabilities of the technology, the cultural shifts around it, and the network effect around it.

With AI, I personally think a really interesting question is—and I’m sure you’ve thought much more deeply about it than I have—whether we’re most likely in a skeuomorphic phase right now.

Anish Acharya

Right?

Chris Dixon

What is the native phase going to look like? Usually, for me, at least personally, I like the native phase better because it’s crazier and more interesting.

If you look at image generation, they’re basically taking what illustrators do. But one thing I would mention is a cool thing with photography. When photography first came along, it seemed like a threat to representational painting. You saw art move to more abstract art to get away from that.

If you go back and read things from the time, there was a lot of hand-wringing around whether this was going to cheapen the art form. But an interesting thing happened: a new art form emerged, which is film. You weren’t just copying. In some sense, photographs were the skeuomorphic, quote-unquote, app of cameras, but film was a native one. You had a new art form.

I wonder about that with AI. Right now, you have image generation, which is taking what a human might do and automating it, along with movie generation and the other kinds of videos we see online. But is there a new medium, for example, that hasn’t emerged yet? Maybe it’s virtual worlds or something.

Anish Acharya

It's probably a bunch of hypotheses as to what it could be, but my experience has been that it's often surprising and hard to predict. That's where a lot of the cool, creative, interesting stuff comes in. It may take another generation, or 5 to 10 years, for a new set of AI-native kids to grow up.

Chris Dixon

That's right. Yeah. It's actually really interesting because, in a sense, we're in the command-line era of AI. There are some things that you can articulate well with words, but if I describe to you what kind of music I like, it's hard to say—we don't have the language for it. Most people would say, "I like a certain sound with a certain sort of aesthetic, and it's moody, but not too moody, and it's 110 beats per minute." Most people lack the language to articulate the art that they love.

So even the idea of prompt-to-media feels skeuomorphic, and there's got to be a more native way to explore it. I don't know what that looks like yet, but I'd be surprised if it's prompt-based in the long term.

Anish Acharya

I mean, prompt—I guess people are now calling it context engineering, not prompt engineering, which I think is a nice rephrasing. Some people are, right? I think it's a nice rephrasing because that is kind of what you're doing, right? You're taking all of this stuff I do in the real world that ChatGPT isn't able to see, right? And I'm trying to summarize all that knowledge that's hidden to it—the context—and put it in there. All right.

And that does feel like something that should be automated, right? You have these intelligent machines. I assume that's what people are doing with these potentially new ambient devices people are creating.

Chris Dixon

Yeah. I mean, even in the media case, my Spotify library is probably much more useful for generating music that I like than my articulation of it.

Anish Acharya

That's right. You had mentioned in another pod that, if you had 1 issue to get passionate about in the world of AI, it was open source and open-source AI. Do you want to speak to that for a moment?

Chris Dixon

Well, we were talking earlier about the democratization of the web, or how consolidated the internet or technology is. I think I would argue, and I think a lot of people would argue, that open-source software has been an incredibly important force for democratizing technology.

The reason that you can get an Android phone for $10 and get on the internet so cheaply is basically that all the software is free. Imagine if there wasn't an open-source operating system, and operating system providers used to charge $100. You'd be paying that on the client and maybe on the back end, and there's a whole other stack of software that you'd be paying for. Instead, you're not. Most internet users are using open source; the vast majority of the bits being used are open source.

It also is what makes startups exist, right? We can fund startups, and they can spend hundreds of thousands of dollars, or even less sometimes, and be up and running with really competitive, great software. That's because of open source.

So we think about it a lot, and on the policy side, as a firm, we've been big advocates for making sure open source is around and competitive. First, that means not banning it. There are bills out there, particularly at the state level, that want to put in—not maybe explicit bans, but de facto bans. For example, California had a bill that would have created unlimited downstream liability for software developers, which would have effectively killed open source.

So that's step number 1. Then I think step number 2 is: are the incentives there to create open source? I watched an interview—I think it was a Dwarkesh interview with Satya from Microsoft—recently. It was a really good interview. He argued that open source will always exist because enterprise customers always demand at least 1 kind of open-source alternative. They'll just end up funding it.

Anish Acharya

Okay.

Chris Dixon

And that's why you always see this proprietary/open-source combo. But then you have Meta doing this with Llama. I don't know if they'll continue to do that. There are some startups doing it. China has been very into open source. Maybe that's a kind of national strategy; maybe that changes at some point. Maybe you do it at first to create attention and marketing, and then you change it.

The thing with AI that's different from operating systems is that, with operating systems and databases, you just needed a bunch of coders sitting around. With AI, you need massive capital expenditure to train the models. So I just don't know. I think it's an unknown question long term: are there good steady-state funding models for open source? I think a possible outcome, which I think is a pretty good outcome, is that open source is just always a little bit behind, like the way OpenAI is now releasing older models.

Anish Acharya

Yeah. Yeah.

Chris Dixon

And I think that's probably a fine outcome. For startups to exist, and for consumers to get inexpensive health care advice, the next-best model in 5 years will probably be good enough for most startups. It will probably be good enough. For the super-high-end stuff, people pay for it. Maybe that's a good outcome—a good kind of equilibrium state. Maybe that's where we're headed. I hope so.

I think it would just be a bad outcome if you had 4 companies that had vastly better closed-source technology and could effectively charge rent to consumers and startups.

Anish Acharya

Yeah. Yeah. I agree. It's interesting. I think a lot about the early ethos of Android, which felt like it matched Google's open-web mindset. Then, when it became clear that iOS was beating their pants off by being a closed ecosystem, Android became very closed and started to mimic the sort of closed iOS strategies.

We'll see what happens with Meta and Llama, if they replicate that. That's a worrying dynamic. I think the more optimistic case is that we haven't yet seen the same sort of app-platform feedback loop and lock-in that you get from foundation models. There is a case for them to continue to release the next-best model and for the models to be somewhat substitutable for each other.

Chris Dixon

Yeah, the Android case is a good cautionary tale, right? I think maybe, in some technical sense, some of the code is open source, but de facto it isn't, right? All the services and everything else—you need permission. It was one where they made lots of overtures that way.

That would be the worry, but it does seem—I think it feels a lot better than it did 3 years ago or something, with the China open-source stuff. Yeah.

Anish Acharya

Yeah, the policy stuff is better. We're seeing the fact that OpenAI is doing older models. It seems like we're in a better spot for open source. I think some of the scaremongering—that a chatbot is going to murder everyone or something—is, like, literally zero people have died from ChatGPT so far, as far as I know. I think maybe people are chilling out on that.

Chris Dixon

So it feels like we're in a much better spot. I'm cautiously optimistic on open source.

Anish Acharya

Yeah. 2 years ago, the conversation was a lot about: if OpenAI is the only game in town, over time they take all the economics of the complements. It doesn't feel like that's happened, which is, to your point in that amazing book about blockchain, why there's a lot of interest in acquiring IDEs. They understand that, if the foundation models start to become more interchangeable, they're going to have to move upstream and own user-facing economics.

Amazing. Well, Chris, thank you so much. It's great to hear you talk about consumer AI and all the implications. We're super thankful to have you at the firm.

Chris Dixon

Well, thank you. Thank you. This was fun.

Chris Dixon 谈如何构建网络、运动与 AI 原生产品 — 文字稿与摘要 | BidClub