yes - and I almost wish I hadn't. I have to continually go on about restricting its use and the effect it has on sleep (SO easy to just keep chatting to friends). My girls are finally putting them down before bedtime and sleep is improving, with all it's positive on-effects. It has been an uphill struggle. I suppose a generation ago, parents were nagging their kids about TV, but this is much more consuming - exposure to marketing/ media/ fake photos and bad body images. Sites explored by my girls/ their friends include suicide sites(that's really popular among teens, btw as a boredom-buster but sadly too attractive); eating disorder sites; porn (yes - of the joys)... They are not just snap-chatting, as if that's not bad enough. Kids need mental stimulation in order to develop their brains - literally. Killing time by social media is NOT going to achieve that.