Facebook users actually interact with very few of their ‘friends’ -“According to Cameron Marlow, Facebook’s ‘in-house sociologist,’ that number is four if you are male and six if you are female. Marlow’s research indicates that the average Facebook user has a network of about 120 friends, but only has two-way conversations with a very small subset of these ‘friends.’ Interestingly, even for those users who have a far larger number of friends (500+), those numbers barely grow [ten for men and sixteen for women].”

Read more: RWW and Economist