Notes on 2026-09-25 second-brain. Picked back up after the last review.
Related: 2024-01-21 eval, 2026-09-21 weekly.
Cross-section thread: stalled learning 7338. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Cohort → incorporation → experiment. Worth a second pass; the cohort angle keeps coming back.
- Runway → process → gpt. Worth a second pass; the runway angle keeps coming back.
- Saas → founder → second-brain. Worth a second pass; the saas angle keeps coming back.
- North star → ritual → retention. Worth a second pass; the north star angle keeps coming back.
Decisions: shipped the feature flag, rolled back the SLO tweak, queued the postmortem for next week.