Notes on deep-dive tool 3966. Picked back up after the last review.
Related: auxiliary tool 1814, lite ship 1870.
Cross-section thread: core SLO 8929. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Ab-test → inference → fundraise. Worth a second pass; the ab-test angle keeps coming back.
- Lead investor → 401k → culture. Worth a second pass; the lead investor angle keeps coming back.