The Data That Turned the World Upside Down

This was one of the more chilling things I've read in awhile. Explains some of the more surreal aspects of the election. Here is the original link: http://motherboard.vice.com/read/big-data-cambridge-analytic...

How were they only able to predict sexuality with 88% accuracy? Just predicting 'heterosexual' blindly would get you to 90% or more...