Facebook (NASDAQ: FB) conducted its own research and found out that the popular "six degrees of separation" theory is actually just around 3.5 degrees. American playwright John Guare popularized the theory in his play in 1990. Guare's Six Degrees of Separation play shows the idea that any two individuals, even if they do not completely know each other, are still somehow connected by at most five people. Facebook's own research now states that it could be just around 3.5 other people.
Six Degrees of Separation - Documentary Film. Documentary unfolding the science behind the idea of six degrees of separation. Originally thought to be an urban myth, it now appears that anyone on the planet can be connected in just a few steps ofassociation.