Smartphones at school can be a major distraction. Students are posting on social networks, texting each other, or playing Angry Birds when they should be paying attention in class. The other side of that coin, though, is that students with smartphones study more, and have better study habits in general according to a new report.
http://www.pcworld.com/article/245461/students_with_smartphones_study_more.html#tk.nl_dnx_h_crawl