Remember MySpace? Not so long ago, practically every teen in the world was on it –- and then many left for Facebook. Now, as Facebook’s popularity among teens is starting to wane, you might be wondering what the new “it” social network is. But the days of a one-stop shop for all social networking needs are over. Instead, teens are dividing their attention between an array of apps and tools that let them write, share, video chat, and even shop for the latest trends. —Common Sense Media.