Toasters were the first form of pop-up notifications.
Why this joke works
Toast as an Early Pop-Up
A pop-up notification suddenly appears on a computer or phone screen to deliver an alert. In a pop-up toaster, a spring mechanism raises the toast when heating finishes, creating a physical signal that breakfast is ready. The joke recasts that familiar kitchen action as an early information system. “Notification” fits because the toast’s movement communicates completion, not merely because both things happen to pop upward.
A closer look
Technology language rewrites a breakfast routine
“First form” gives the line the confident tone of a technology-history claim. That framing encourages listeners to think about computers or phones before the toaster supplies a much older physical version of “pop-up.” The comparison works because both events interrupt attention and announce something ready. Saying the line as a dry observation is stronger than presenting it as a riddle; the false historical claim is the setup and answer together.
Fact behind the joke
Automatic toast began popping up in 1926
Smithsonian's National Museum of American History says early electric toasters browned one side at a time, requiring users to watch, flip, and remove each slice. The automatic toaster debuted in 1926, toasted both sides, and raised the finished bread. That pop-up action genuinely served as a completion signal decades before digital notifications, giving the joke a surprisingly accurate piece of appliance history beneath its modern wording.