Ever sit down at a restaurant and order, only to have the waitress place your meal in front of someone else at your table by accident? At Ogori Cafe, located in the Urban Design Center in Kashiwa, Japan, this kind of mistake is exactly what you can expect - to receive anything but what you ordered. In fact, it'd be rather fortuitous if you actually received what you wanted. Confused? :)
Their concept is simple: you order (and pay for) what you want, but receive what the person just before you has ordered and paid for. There are no receipts, and you can't give hints to the person in front of you. What an fun & random idea!