For instance, if a person on Facebook 'likes' Lady Gaga, Glee and the Human Rights Campaign, Facebook is likely to assume that person's sexuality is gay. This is a really bad way to tell if someone is queer. Facebook advertisements take one swift look at a few of your 'likes,' and make a decision about your sexual orientation, drug use history and more-whether you purposefully post it on your profile or not, according to a new study out of Big Data.
