It took more than two weeks after Boston Marathon bomber Tamerlan Tsarnaev was killed to find a grave for his body.... READ ON

How do you measure influence? What is notability? It might seem that before the social ranking site Klout came along to assign people numbers by cold, numerical, social media calculation, the only way to rank people's importance was by hunch and opinion. But long before Klout there was psychologist James McKeen Cattell and his 1903 paper "A Statistical Study of Eminent Men."... READ ON

Take note: The machine does not always know where it's going... READ ON