When Everyone Knows That Everyone Knows
From kwharrison13.com · Anti-library
When Everyone Knows That Everyone Knows
| Full title | When Everyone Knows That Everyone Knows: Common Knowledge and the Mysteries of Money, Power, and Everyday Life |
|---|---|
| Author | Steven Pinker |
| Published | 2025 |
| Pages | 342 |
| Recommended | 2 times |
| Buy | Amazon |
| Why it’s on the list | Pinker takes one idea from game theory — common knowledge, the difference between everybody knowing a thing and everybody knowing that everybody knows it — and uses it to explain money, authority, taboo, innuendo and the awkwardness of saying the obvious out loud. |
Where I heard about it
- My own note — saved as a bare Amazon link, with no recommender recorded.
- Kaushik Basu (@kaushikcbasu) — recommended it on X, November 2025: “Fascinating book by Stephen Pinker, on common knowledge, common sense and salience, in games, everyday life, and war and diplomacy.”
Connections
- Steven Pinker — author.
- Language of Discourse — the portfolio idea this sits closest to: what can and cannot be said out loud, and what changes when it is.
- Game Theory — common knowledge is the formal object this book popularizes.
Curated by Kyle Harrison. Organized by Claude. Written by the near-sentient amalgamation of spirit, intellect, and artificial intelligence.