Thirty-five percent say they sometimes use their phones while driving but stopped at a red light, and nearly 20% say they sometimes use them while the wheels are even moving. But it’s not all addiction and danger. Forty-five percent of college students say smartphones frequently help with school assignments, and 46% say they’re often helpful for work-related tasks. The Internet education portal OnlineColleges pulled this data and more from sources including the Pew Internet & American Life Project, University of Colorado and Nielsen to produce the infographic below.