Assertion certainty 4/5 debate potential 1/5

Juicebox founders manually recreated 100 user searches daily to audit quality

David Paffenholz · He killed a viral app with 50k users. 2 years later, he hit $10M ARR and raised $30M from Sequoia... · PMF Show · Dec 11, 2025 · at 30:03

David Paffenholz describes the manual feedback loop he and his co-founder used to debug and improve Juicebox's AI candidate search algorithms.

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“We had like internal Slack bot that pinged us every time a user ran a search, and then we would manually go and recreate that search and At some point that became like a hundred searches a day that we would go and manually recreate and then assess whether we serve the right profiles for that search or what we could be doing better.”

quote is from the automated transcript, cleaned for reading: filler sounds and stutters are removed, nothing is rephrased. names can be misheard (the analysis reads context, assessments check outside sources). how →

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