OK It seems the issue is that the US is far behind in this. Pretty much every restaurant in the UK has portable POS devices waiters carry around to take payment

OK It seems the issue is that the US is far behind in this. Pretty much every restaurant in the UK has portable POS devices waiters carry around to take payment. Pretty much every shop has the same standard looking POS chip+pin devices. eg http://www.theopusgroup.co.uk/images/Secura-PIN-pad.jpg http://www.theopusgroup.co.uk/images/Secura-PIN-pad.jpg