[inhumantsar]

because america hasn't caught up with the rest of the world. I'd guess about half of all restaurants still take your card to swipe it at a machine tethered to the register. it's getting less common in stores and fast food restaurants though.

[lotsoweiners]

Probably at least 80% of sitdown restaurants in my suburban town in the US seem to have those portable card readers. Now I can’t even think of the last restaurant I ate at that didn’t do that.

[falcolas]

Much closer to 100% IME. I think I've seen a mobile terminal once, in an airport restaurant.