Next time you go to a shop look around. Electronic price tags popping up left and right this year. Bitcoiners know why and few normies understand.
Discussion
But but innovation ... NO. e-Ink and the technology existed since more than 10 years at current price points. There is a different incentive here now.
Oh no. Electronic price tags might destroy the "sticky prices" aspect of money that keeps it from being volatile (where merchants would rather take a small hit on exchange rate volatility than go through updating all prices).