 Martha, Shady Characters, is that the book that goes into how it even ended up being standard on the typewriter? Because that's a story, too. How it started in Italian bookkeeping and this eventually ended up being just something that showed up on the keyboard. So it was there for Ray to consider to being used. Yes, yes. Just why the at symbol was even available to him. That's a story in itself over the centuries. And there it was in front of him.