Speed Reads
Stats of our lives
Stats of our lives: Facebook’s 4.7 degrees of separation
A major social networking study suggests it's a smaller world after all — and more in our collection of surprising facts and figures
6Number of degrees by which everyone in the world was thought to be separated, according to a famous 1967 study; hence the phrase, "six degrees of separation"
4.7Number of degrees by which everyone in the world is actually separated, according to a new study of 721 million active Facebook users