8 Scary Ways That Teens Are Using Social Media, Including 1 That Caused a Girl's Murder

The Canadian messaging app Kik is a popular app among young teens but is now on the defensive after seventh grader Nicole Lovell was kidnapped and murdered by two Virginia Tech students. The app — which has over 200 million registered users, 40 percent of which are US teens and young adults — allows users to message in groups or one on one and send videos and photos. Though it requires parent permission from users between the ages of 13 and 18, there is no way to monitor whether or not a teen puts in a false birthdate (as is the case with many smartphone apps).