The year started with a report that teens are leaving Facebook, and it’s ending the same way. A report this week showed that 88% of 13-17-year-olds were using the network in 2014, a drop from 94% in 2013. We’ve looked at the reasons that teens just aren’t as interested in Facebook before, and Ypulse’s latest social media tracker survey actually showed that currently only 63% of 13-17-year-olds say they use Facebook. (Mashable)