The Yearbook Project

a work in progress

In the wake of the Cognitive Revolution, gossip helped Homosapiens to form larger and more stable bands. But even gossip has its limits. Sociological research has shown that the maximum ‘natural’ size of a group bonded by gossip is about 150 individuals. Most people can neither intimately know, nor gossip effectively about, more than 150 human beings.

- From Sapiens by Yuval Noah Harari

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