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Benjamin Claeys is CEO of QR TIGER, MENU TIGER, and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. From fun trivia quizzes to large QR codes on retail displays that ...

You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business card. That pixelated code, shaped in a square, is called a QR ...