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AI Builders Digest
Wednesday, September 23, 2026
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Two posts from yesterday's sources landed in the same place today, and the tension between them is worth sitting with. Peter Yang thinks agents are about to gut the ad market. Box CEO Aaron Levie thinks agents are about to become the ad market. Both can be true, and if they are, the next decade of internet business models gets rewritten from scratch.
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01
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The ad industry has an agent problem nobody's pricing in yet
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Product thinker Peter Yang put a sharp question on the table: if agents are browsing the web and completing tasks without a human ever seeing the page, who exactly is the target audience for a banner ad? A huge portion of digital advertising assumes a human eyeball at the end of the funnel. Agents don't have eyeballs. They have API calls.
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Why it matters: If your company buys display ads to capture people mid-research, agents skip that step entirely. The agent already knows what your client needs, finds the best option, and completes the transaction. Google's ad revenue, Meta's ad revenue, every publisher running programmatic ads — all of it assumes human attention as the scarce resource. Agents make human attention abundant and machine attention irrelevant to existing ad formats. The ad industry is not ready for this.
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Source →
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02
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Levie's counterpoint: agents don't kill commerce, they reshape who owns it
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Box CEO Aaron Levie takes the opposite angle. If agents are completing transactions end-to-end on your behalf, the entity that runs your agent captures enormous economic value. You start by delegating simple tasks. Then more complex ones. Then the agent is effectively managing a meaningful slice of your spending. The agent layer becomes the new storefront.
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Why it matters: Read Yang and Levie together and you see the same future from two sides of the table. Ad-driven businesses that rely on humans browsing get hurt. Agent platform businesses that sit between users and their transactions get very rich. The open question is who controls your agent. Right now, that's whoever builds the app you trust most. Meta, Apple, and OpenAI are all competing for that position, and it's worth more than search was in 2005.
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03
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Something is coming from Thibault Sottiaux
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Thibault Sottiaux posted a teaser with 12,500 likes: "We are almost Tuesday and I promised a reset for Tuesday." No detail on what it is. The engagement suggests his audience knows more than the post reveals.
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Why it matters: Worth watching. When a teaser pulls that kind of engagement before anything ships, something substantive is coming. Check back Tuesday.
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Source →
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**"Use big pictures and few words"** — Thariq's most-used prompt instruction, which quietly captures something every AI power user eventually learns: models trained on the internet default to verbosity. Fighting that default every session is its own tax.
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Source →
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**Replit CEO Amjad Masad says AI is reviving the American Dream** — a link share with no additional commentary in the post itself. The claim is doing a lot of work without supporting detail.
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Source →
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