Ever since the Post Modern Times cafe in Minneapolis ditched its price list, half the customers have chosen not to pay. It’s still making a profit Name: Pay what you wish. Age: Popular since the 00s, but dating back to at least the 80s.
Source: [Guardian International](https://www.theguardian.com/money/2026/jun/10/pay-what-you-wish-restaurant-where-customers-can-eat-free-if-conscience-lets-them)