A self driving car pulls around .. window opens ... sign says to just throw the food inside ... auto pay through NFC on the door ... car drives away ... dumps food into a waiting auto trash compactor ... car drives away to next town to order food again ... AI powering the car generates another $10,000 worth of bitcoin to start the food ordering cycle again.
(But like, for real, though.) I certainly don't feel bad for Reddit when the CEO says he intends to use that forum's users to train AIs, and then every comment turns into some "please upvote me" catchphrasey nonsense. Hopefully, whoever buys training data from them receives nothing of value.