Whenever you’re on Facebook, do you ever get the feeling that you’re being watched? An ad pops up that’s right up your alley, or three new articles show up in your feed that are similar to something you’ve just clicked on.

Sometimes it seems like Facebook knows you personally, and that’s because it does. It has algorithms that track what you like, watch and click on. Facebook uses this information to target ads to users on behalf of advertisers. read more…