Forget Facebook, for which all your students probably already have accounts. In the social stratosphere there’s a new kid in town that has stolen the show from the likes of Facebook and Twitter, and that’s Instagram. Launched in 2010, this photo-sharing app lets users publish their own exclusively square snaps for their followers to ‘like’ and ‘share’, and it’s safe to say it’s been a big hit with the younger generation — with 53% of teens using Instagram on a daily basis.