Working doc on closed intro 4286. Open questions inline.
Related: confirmed rerank 4382, weekly post-money 4438.
Cross-section thread: Quinn Garcia. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Pmf → adr → ab-test. Worth a second pass; the PMF angle keeps coming back.
- Training → rag → intro. Worth a second pass; the training angle keeps coming back.