Every restaurant or store has to deal with people attempting to leave without paying. In stores, it is easier to prevent people from doing it, because they have to leave the premises with a physical item at hand, and it is pretty simple to track the items and make sure they are not stolen. In restaurants, is it a bit more complicated, since a customer consumes the food before they actually pay for it, so they can just up and leave when no one is looking, and never pay a dime. Surely every resta…