They're using this data for incredibly accurate targeting, allowing advertisers to effectively target race/ethnicities: http://thenextweb.com/insider/2016/03/18

They're using this data for incredibly accurate targeting, allowing advertisers to effectively target race/ethnicities: http://thenextweb.com/insider/2016/03/18/facebook-showed-us-all-very-different-straight-outta-compton-trailers-based-on-race/ http://thenextweb.com/insider/2016/03/18/facebook-showed-us-... I wrote a proof of concept on it last year too: http://caseysoftware.com/blog/social-apis-for-social-evil http://caseysoftware.com/blog/social-apis-for-social-evil