You know what the internet loves? Nostalgia. Seriously. I mean, have you ever heard of Tumblr? It’s full of people posting ads and pin-up girls from 50 years ago. You know what else the web adores? Mash-ups. Mix-up anything online, whether a Ke$ha track or a cat and a parrot, and people will go nuts for it. So really, this new camera app from those crazy kids at MIT should, in theory anyway, make the internet explode. It’s still in its prototype phase at the moment, so it currently requires a laptop connected to a camera, but what it essentially does is direct your camera to the exact co-ordinates of a pre-existing…