The €5 Origami Coin: A Vending Machine Mystery and the Limits of Foolproof Design
There are days in tech support when you’re the hero who saves the day—and days when you’re left questioning the very fabric of human decision-making. Yesterday, Filippo (u/filco86) thought he was setting out on a standard service call: a vending machine’s coin validator was reported “completely jammed.” But what started as a routine 40-minute drive quickly became a case study in the eternal arms race between human ingenuity and supposed “idiot-proof” design.
Turns out, the universe had a twist in store: the cause of the jam wasn’t a rogue coin, a sticky sensor, or a hardware failure. It was a €5 bill—meticulously folded into a perfect little square—wedged so tightly into the coin slot that it required tools for extraction. As Filippo put it: “I’m still not sure if I’m more annoyed… or impressed.”