We still have no idea what really happens on Facebook

A team of researchers at the Max Planck Institute and Northeastern University may have figured out how to beat ad discrimination on Facebook once and for all. After a string of alarming ProPublica stories, Facebook has had trouble keeping advertisers from targeting ads to specific races, potentially violating discrimination laws around housing and employment. But the Planck institute team has a new idea for how to approach the problem, judging an ad based on the overall users targeted instead o