A Pew study released last week showed that (among other things) 74% of Facebook users did not know Facebook was maintaining a list of their interests/traits, 51

A Pew study released last week showed that (among other things) 74% of Facebook users did not know Facebook was maintaining a list of their interests/traits, 51% were uncomfortable with it, and 27% felt the list was inaccurate: http://www.pewinternet.org/2019/01/16/facebook-algorithms-and-personal-data/ http://www.pewinternet.org/2019/01/16/facebook-algorithms-an...