"Teens still love Facebook. No news there. According to a recent study by Piper Jaffray, 33 percent of the 5,200 teens surveyed choose Facebook as their most important social network.
Following behind, Twitter has 30 percent of the vote, while 17 percent of teens say that Instagram is the most important social network.
What’s notable, however, is that interest in Facebook seems to be declining heavily among teens. Though teens still dub Facebook their most important socialnetwork, Piper Jaffray reports that the numbers are down regarding how many teens see Facebook as the most important social media website..."