 One other thing on it, and we'll get to the rest of your calls, 617-779-7937, 617-779-7937, is it's actually really fun. If you're one of those people that hears, like, oh, challenge system, and you're like, this is silly. Imagine the tennis situation where the crowd looks up at the board, you watch that ball fly in or out, and the whole place reacts. Oh.