I think Common Sense Media does a great job of helping adults (parents and educators alike) keep a finger on the pulse of teens and tweens. Having just spent a week traveling in Quebec and Montréal with some of our TPS students, I can attest to the fact that Facebook is NOT their social media outlet of choice, while it remains ours (that is we adults of a certain age who are even on any social media…). 

Common Sense Media: 15 Sites and Apps Teens and Tweens are Visiting instead of Facebook