IN what way do you spend your time online? Do you check your e-mail compulsively? Watch lots of videos? Switch frequently among multiple Internet applications — from games to file downloads to chat rooms? Enlarge This Image Brian Cronin We believe that your pattern of Internet use says something about you. Specifically, our research suggests it can offer clues to your mental well-being. In a study to be published in a forthcoming issue of IEEE Technology and Society Magazine, we and our colleagues found that students who showed signs of depression tended to use the Internet differently from those who...