Right. I was a waiter once. We had to learn to use the computer. It wasn't hard but it was work, and customers don't want to do it. It's not even clear that it

Right. I was a waiter once. We had to learn to use the computer. It wasn't hard but it was work, and customers don't want to do it. It's not even clear that it would be efficient for the customer to learn it, even if they were willing, given how rarely most people eat out and how quickly memory degrades with disuse.