Facebook tracks a scary number of details about you -- here's how to find out everything it knows

REUTERS/Jonathan Ernst Facebook is back in the hot seat over revelations that data on millions of its users was taken and used by a company working for Donald Trump's presidential campaign and the Brexit vote. Specifically, a company called Cambridge Analytica (CA) took data from a reported 50 million Facebook users and built personality profiles in order to serve people with political ads to "target their inner demons," according Christopher Wylie, the former CA employee who blew the whistle on...