But that's partly because *of* Facebook. We're a lot more connected than before (and more migration, too).https://twitter.com/nytimesworld/status/695469168750104576 …
@NAChristakis I accept role of evolutionary heritage but don't see why 1953 (Milgram six degrees) best represents an immutable Pleistocene.
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@NAChristakis Presumably, the number wasn't 6 before invention of the steam ship & railroad? So it changed over time. I can change again. -
@NAChristakis I think 20th century will turn out to be a blip in which we moved AND lost contact with old place. - Show replies
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