Come on, it was just for a very small minority, and you couldn't do it for every payments, most businesses refused for small payments because of the fees, "CC only after X dollar" kind of rules
And you still can't use your phone, a joke this system is
> It's very recent, wich is the point of my post, we lost so much time with meaningless things
But again, outside of the US it isn't. Contactless payments have been common in Europe and had widespread usage for a decade. Chinese and European adoption was pretty similar.
[1] See first two sentences here:
https://www.cbc.ca/news/science/new-credit-cards-pose-securi...