Doughnut.
“I bought a doughnut and they gave me a receipt for the doughnut. I don’t need a receipt for a doughnut. I’ll give you the money, you give me the doughnut—end of transaction. We do not need to bring ink and paper into this. I just cannot imagine a scenario where I would have to prove that I bought a doughnut. Some skeptical friend—”Don’t even act l
ike I didn’t get that doughnut—I got the documentation right here! (pause) Oh wait, it’s back home in the file…under ‘D’…for doughnut.” ‘Cuz we all know that ‘D’ is for doughnut.”










