QR codes: What travelers need to know | TravelDealsReview.net ... PDF Print E-mail
Strange black-and-white boxes—with monster, checkerboard patterns—are popping up on billboards and tourist signs across the U.S. and Europe. They're called QR, or Quick Response, codes. But what are they and how do you use them? ... and you can read customer reviews and receive coupons for specials. The codes are even more common in Europe. For example, at Rosa's , a fine Thai restaurant in London's Soho neighborhood, waitstaff wear T-shirts with QR codes.
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