sciencehabit (1205606) writes "Every day, millions of people click on Facebook "Like" buttons, boldly declaring their preferences for a variety of things, such as books, movies, and cat videos. But those "likes" may reveal more than they intend, such as sexual orientation, drug use, and religious affiliation, according to a study that analyzed the online behavior of thousands of volunteers." Link to Original Source
If I have seen farther than others, it is because I was standing on the
shoulders of giants.
-- Isaac Newton