"Facebook Knows You Better Than Anyone Else"

"The study, published in Proceedings of the National Academy of Sciences, suggests that computers could replace humans in practical settings that require personality analysis, said the lead author, Youyou Wu, a graduate student in psychology at Cambridge.

“People are already doing this manually with questionnaires,” Ms. Wu said, “but in the future, the process could be automated so it could be applied efficiently and reliably.”"

http://www.nytimes.com/2015/01/20/science/facebook-knows-you-better-than-anyone-else.html