McDonalds has revamped its menu and opened the wonderful McCafe’s (with all-day egg-McMuffins). But the coolest thing in all their stores now is the order&pay touchscreen. Easy to use and efficient. Now you can walk into most McDonalds, order and pay, and then wait for your order to be served. These interfaces are easy to use, which is how a touchscreen should be.
The Craft of Coding 