@vgr Has someone already pointed out that 12 is damn close to the geometric mean of 1 and Dunbar's number? Because, it is.
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The geometric mean is a better 'middle' for extremes than the arithmetic mean, (a+b)/2. To me it means that your notion of optimal crucible size is *exactly* in between the size of 1 individual creating and 1 social group perceived as individuals by same.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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