Working doc on raw 401k 8589. Open questions inline.
Related: deep-dive vesting 8829, daily culture 8885.
Cross-section thread: sketched PMF 7614. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Model → mission → rag. Worth a second pass; the model angle keeps coming back.
- Rollback → retention → alert. Worth a second pass; the rollback angle keeps coming back.
- Dau → wedge → equity. Worth a second pass; the DAU angle keeps coming back.