Subtitled: A Brief History of Information Networks from the Stone Age to AI
(Random House, Sept. 2024, xxxii + 492pp, including 88pp of acknowledgements, notes, and index; but no bibliography)
This is Harari’s fourth big book, following SAPIENS, HOMO DEUS, and 21 LESSONS FOR THE 21ST CENTURY. The subject of this one may seem a little more abstruse than the others, and maybe it is, but in fact the book is chock full of interesting stuff and typical askance Harari insights.
As usual, I’ll boil down key points and plant them here. Actually, I’ll two levels of key points. Then below those, I’ll data-dump the 12,000 notes I took on the book as I read it, with some pertinent quotes along the way.
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Key Points, 50,000 foot level:
- Information is not just statements about reality; it includes stories and errors and fantasies. There are both naive (more information is better) and populist (information as power) views of information; neither is correct. Stories enable cultures to grow; documents enabled bureaucracies and the further expansion of cultures.
- Errors are inevitable. Self-correcting mechanisms were created in support of what became science; religion lacks these, and has splintered into countless sects.
- Computers and AI increase engagement of all sorts of information, and can create their own fantasies.
- Information is used differently in democracies, which have self-correcting mechanisms [[ balance of powers, the vote ]], while totalitarian systems prefer to route all information through a central hub, making them more fragile and especially vulnerable to control by AIs.
- If humans are so smart, why are we so self-destructive? Because our information networks privilege order over truth.











