> data that they could use to target ads to you. It didn't even have to be someone with an FB profile, they surely had shadow profiles of a lot of Internet use

> data that they could use to target ads to you. It didn't even have to be someone with an FB profile, they surely had shadow profiles of a lot of Internet users (when Zuck appeared before congress he dodged a question about this). Just like Spotify or Netflix's recommendation engine, that's a gold mine for ads..