Chapter 3 (1441 words -> 4030 chars):
- David's story sharpened: lost custody to Harmony algorithm
- The silence as presence, not absence
- 'A machine that stays in the room'
Chapter 4 (1198 words -> 3800 chars):
- Michael, Jerome, Robert — three men, three weights
- 247 visits. 38 men. 82 percent return.
- Builder at his desk, sorry to a ghost
