QR codes have become an essential part of modern life, from scanning restaurant menus and making digital payments to sharing contact details and promoting businesses. These black-and-white squares are ...
A soggy or smudged QR code won't work, something that Jay Sanders, owner of Drastic Measures, a bar in Shawnee, Kansas, learned the hard way. When the bar opened in June 2020, he printed the QR code ...
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