Keeping it Social, part 2

More on Robin Dunbar and the "Dunbar's Number" concept referenced in the previous post:

Dunbar's number - Wikipedia, the free encyclopedia

Dunbar's number is a theoretical cognitive limit to the number of people with whom one can maintain stable social relationships. These are relationships in which an individual knows who each person is, and how each person relates to every other person. Proponents assert that numbers larger than this generally require more restricted rules, laws, and enforced norms to maintain a stable, cohesive group. No precise value has been proposed for Dunbar's number, but a commonly cited approximation is 150.

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