Building is cheap now. Knowing what to build isn't. Data picks, AI builds, every result goes public — misses included.
I'm a founder building with AI, and I run the "what to build" question as a public experiment. An AI system reads the market (30k+ Chrome extensions with real users and ~1M user reviews) to find demand that isn't being served, rules ideas in or out, and predicts how each one will do. Then AI builds them, and I publish the results: installs, revenue and the misses. Weekly notes: https://reidstonji.substack.com
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The update is the most useful part: a signal that first looked 13x better than random drops to about 2x against needs of the same size, then 1.4 to 1.6x with finer bands, and still in-sample. Publishing the misses alongside the wins is what makes the experiment worth following.