If you've dined out much over the past 18 months, you've probably been to a restaurant where you've scanned a QR code with your phone to access an online menu, instead of receiving a hard copy. QR ...

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...

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Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.