Social networking apps have become central to every aspect of teens' lives, from how they stay in touch with friends to how they engage with politics. And constantly refreshing their social feeds can feel simultaneously positive and negative - teens say that social media strengthens their relationships, but also distracts them from in-person connection.

The infographic below from Common Sense Media sheds light on teens' changing social media habits, and why some are more deeply affected by - and connected to - their digital worlds.

A version of this post was first published on the Digital Information World blog.