Paul Graham quote, September 2026

Co-founder, Y Combinator · September 2026 · Essay, Making Startups Powerful

The obvious AI variant is to let your users opt in to training your model on their interactions with it. Many will resist that, but if some don't, the model they get to use will outperform the vanilla one used by the others.

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Words found on the source page on Sep 25, 2026.

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Date	Quote	Context	Source
Sep 8, 2026	That’s a fair question at the dawn of the AI age when an app might take about as much time to build as editing a Youtube video. So this means average product retention will collapse, and the days of seeing >20% D30 will feel like a dream.Andrew ChenSep 8, 2026· Post	PostThe coming product retention crisis	Source
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About this quote

Said by: Paul Graham, Co-founder, Y Combinator
Where: Making Startups Powerful
Topics: Startups, Data
Company: Y Combinator
Source: paulgraham.com/powerful.html

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