'Parents killed it': why Facebook is losing its teenage users

This year more than 3 million under-25s in the UK and US are expected to leave the siteWhen Mark Zuckerberg launched Facebook he was a 19-year-old living in a dorm in his second year at university. Fast-forward 14 years and it is the young people he was so successful in luring to Facebook to propel it to become the world’s biggest social networking site that are now his biggest problem. This year more than 3 million under-25s in the UK and US will either quit Facebook or stop using it regu