What’s it like to have millions of fans when you’re 10? What’s it like to have thousands of people insult or venerate you? Welcome to a bizarre universe of amicable media superstars.
Stephanie Hegarty meets a immature people whose lives are built around likes, though are increasingly pang from mental health problems and bake out.
If you’ve been influenced by any of a issues in this video, we can find lots of recommendation and information during BBC Action Line.