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Facebook Says Its Version of Six Degrees of Separation is Three Point Five

     
4:40 pm on Feb 4, 2016 (gmt 0)

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Facebook's huge user base gives it access to some big data, and a massive number of connections, so it's been crunching some numbers, and it has shown how everyone in its database is connected by three and a half degrees of separation.
Very interesting!

I wonder how that figure varies depending upon regions.


https://scontent-lhr3-1.xx.fbcdn.net/hphotos-xfp1/t39.2365-6/12624123_1704378963114167_831012960_n.png
In honor of Friends Day, we've crunched the Facebook friend graph and determined that the number is actually 3.57. Each person in the world (at least among the 1.59 billion people active on Facebook) is connected to every other person by an average of three and a half other people. The average distance we observe is 4.57, corresponding to 3.57 intermediaries or "degrees of separation." Within the US, people are connected to each other by an average of 3.46 degrees. Facebook Says Its Version of Six Degrees of Separation is Three Point Five [research.facebook.com]