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 ... “I read somewhere that everybody on this planet is separated by only six other people. Six degrees of separation. Between us and everybody ...