 And semi-trucks, they have these centers with people moving stuff through. Very labor-intensive, expensive process. I can't believe, Sasha, we're explaining checks. Now, the history of the check goes back to the 11th century, almost 1,000 years before the invention of the debit card. Speaking of which, Quinn says a debit card isn't that different from a check. It just replaced the paper messaging part, if you will, with the digital. But the function is still doing the same thing.