IX. Case Studies (Quiet Histories) 23. A friendship that became a ledger: small omissions that aggregated into a career’s undoing—how silence between colleagues permitted a toxic narrative. 24. A corporation that gamed metrics: incentives misaligned, human cost externalized, later corrected by whistleblowers who read the index aloud. 25. A neighborhood that learned to record: communal minutes that made predators itinerant.