With the UK planning to follow Australia in a ban on social media for under 16s, we ask how it might work? Dr Mike Pound is an Associate Professor at the University of Nottingham.

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com