Joanna Stern’s “AI Vending Machine Dispensed Pure Chaos” (Personal Journal, Dec. 22) reminded me of one of the bedtime tales my father used to tell me when I was a child. The “coffee-machine story” ...
Back in the 1920s, it seemed everything was becoming coin-operated. All over the U.S., you could find coin-operated weighing machines at railroad stations; coin-operated vending machines were chock ...