He allegedly knew all about it in 2015. Cambridge Analytica and all the other sordid "BAD ACTORS" and chose to ignore it not being smart enough to figure out how all of your information was going to be used. There was a privacy policy at FB that you counted on being true. Can you sue for false advertising, invasion of privacy and the unknown damage that will accrue from it? We already got a bogus prez because of it. What else happened?