We have Żabka Nano which is self-serve cashierless shop in Poland. You just swipe you card at the entrance, get whatever you want and walk out. I think they use

We have Żabka Nano which is self-serve cashierless shop in Poland. You just swipe you card at the entrance, get whatever you want and walk out. I think they use computer vision system to detect the products taken from the shelves. It kinda amazes me because it's what Amazon promised but failed to deliver.