Do you really know what your kid's doing on that smartphone?

Today

Ayrial Miller is clearly annoyed. Her mother is sitting with her on the couch in their Chicago apartment, scrolling through the teen's contacts on social media.

"Who's this?" asks Jennea Bivens, aka Mum. It's a friend of a friend, Ayrial says. They haven't talked in a while. "Delete it," her mum says. The 13-year-old's eyes narrow to a surly squint. "I hate this! I hate this! I hate this!" she shouts.