GREENSBORO, N.C. — You see QR codes in restaurants, parking lots, and just recently on a flyer about pet microchips. The flyer is being reposted all over social media, even on the WFMY page, after ...
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.
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