I realize that nobody here supports Microsoft, but have you seen Surface? http://www.microsoft.com/surface If you look at the middle video ("The Power"), you'll see that this isn't new. If you look at the third video ("The Possibilities"), there is even a demonstration of how you pay at a restaurant, calculate tip, and never have to hand over your card.
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I realize that nobody here supports Microsoft, but have you seen Surface? http://www.microsoft.com/surface If you look at the middle video ("The Power"), you'll see that this isn't new. If you look at the third video ("The Possibilities"), there is even a demonstration of how you pay at a restaurant, calculate tip, and never have to hand over your card.