What do people use Instagram for these days? I was wondering what would happen if the network of filtered-image sharers went down? If we can’t share a vintage-style photo of our Starbucks red cup, did we really have it at all? How will my followers know that I saw a sunset? And where would we be without the stream of ‘selfies’ from people we haven’t actually seen for months? My Instagram feed is full of people who take travel photos and portraits, with a sprinkling  ...