rabbit_holes
where curiosity meets a data pipeline. i point ai at a real-world question, pull only public data, and publish what the numbers actually say — receipts included. the full archive, newest first.
select * from rabbit_holes order by published desc;
company_brain
how to build a company brain: one Markdown file per metric, an index in every folder, and an agent that opens only the files the question needs, so "what was our trial-to-paid conversion last month?" gets the same answer every time.
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startup_graveyard
a census of all 3,566 YC companies from the 2021–2026 batches — survival curves, 300 shutdowns, and the receipts for how they died.
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the_hiring_signal
what 151 nyc ai startups actually hire for — 522 public roles, classified & mapped.
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