But next to the unwrapped meat (shoppers traditionally like to handle meat to test its freshness), are plastic-covered pieces with reassuring expiry dates.
Today they can handle 80 times more information than the most advanced magnetic-stripe plastic, which usually contain little more than a name, an account number and a secret ID code.
Not a case but a handle: the FlyGrip is a little L-shaped piece of plastic that attaches to the back of your iPhone so you can hold and use the touchscreen with one hand.