As anyone who owns a touchscreen device will tell you, when fingers are rubbed on screens, things get messy. But have you ever wondered how pretty some of those marks can be?
Design Language News used a surprisingly complicated routine involving microfibre cloth and a black matte board to take photos of what an iPad looked like having been used for a variety of applications.
We're of course only interested in the games, like Angry Birds, Fruit Ninja and Fieldrunners. Angry Birds doesn't leave too much a mark, but boy, Fieldrunners? It's a clean screen freak's worst nightmare.