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http://www.schneier.com/blog/archives/2009/07/security_group.html Primatologist Robin Dunbar derived this number by comparing neocortex — the “thinking” part of the mammalian brain — volume with the size of primate social groups. By analyzing data from 38 primate genera and extrapolating to the human neocortex size, he predicted a human “mean group size” of roughly 150. This number appears regularly [...]
Jul 1st, 2009 | Filed under Uncategorized
