Yes, in America they own grocery stores under the "Amazon Fresh" brand, some of which were famous for their "Just Walk Out" technology, where you scan on your way in, and then seemingly-magically got charged for everything you bought just by putting it in your trolley and walking out. When they first started out, there were news stories about how people even tried tricking it but still got charged correctly. It was never, until now, revealed how they actually did it, with people believing it was probably done via automated camera detection.