You remember The Most Useless machine, right? The one that encapsulates our entire interaction with technology by boiling it down to a zero-sum back and forth that ends in a meltdown? Well here's its big brother.
The Most Useless Machine is a box with a switch. You flick the switch, and the box opens, flipping back the switch to close itself. Repeat. Repeat. Repeat. Over, and over again. That is, until the box flips out.