Three and a half degrees of separation - Facebook Research

In honor of Friends Day, we've recalculated the classic 'Six degrees of separation' statistic for everyone who uses Facebook and determined that the number is actually 3.57. Each person in the world (at least among the 1.55 billion people active on Facebook) is connected to every other person by an average of three and a half steps.

4 Feb 2016 ... In honor of Friends Day, we've crunched the Facebook friend graph and ... Some of those friends may overlap, so we need to filter down to the ...

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