Whoever said that fast food does nothing good for you should get ready to eat their words. And some KFC too. The German division of the food chain has unveiling a solution to the problem of typing on your smartphone or tablet with greasy fingers: a thin, flexible Bluetooth keyboard that comes on the tray under your food order. It's called the KFC Tray Typer, and before you rush out to your nearest fried chicken fast food outlet, know that this has only been shown in Germany, and you can't really get your hands — greasy or not — on one. Read on for the explanation.