Not Six but 4.74 Degrees of Separation
Researchers from the University of Milan and Facebook have found that the average number of acquaintances separating any two people in the world is now not six but 4.74.
What's the Latest Development?
Researchers from the University of Milan and Facebook using a cohort of 721 million Facebook users–more than one-tenth of the world’s population–found that the average number of acquaintances separating any two people in the world is now not six but 4.74. In the U. S., where more than half of people over 13 are on Facebook, the average number of links from one arbitrarily selected person to another was just 4.37.
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