Tablet based customer kiosks already run circles around older technology.
Most of us have seen a toddler or elderly person pick up a modern touch interface device and figure out the navigation in under 30 seconds.
That was the beginning of the end. We are on the fast track to having those same interfaces replace humans at virtually every counter job. McDonald's, Panera, Taco Bell and others are already on their way to becoming Automats. If they market it right it blows open new streams of revenue.
Customers will be able to access and order/buy in one of several localized language options. Have it your way™ finally truly applies to everyone.
The interaction requires customer service with a human? no problem, Facetime is built-in and it won't be hard to route support calls to centers in various locales so customers can resolve issues quicker and in a way that makes them feel more comfortable, more at home within the experience.
They will also get exactly what they want faster and at a better price.
That will be the fast food and grocery check out level experience.