Life on a shoestring: Part I — "Friends"

Dunbar’s number is the name given to a theoretical limit on the number of people one can maintain long-term stable relationships. This number has previously been pegged at values around one or two hundred. In this era of social networking, given that the number of on-line “friends” we have can run into several hundred if not thousands, it’s easy to believe that technology, through external cognition, has helped us overcome cognitive limits imposed by the zombie food sloshing around our skulls. Except it probably hasn’t.

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