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QR codes are here to stay. So is the tracking they allow. Fueled by a desire for touchless transactions, QR codes popped up everywhere in the pandemic. Businesses don’t want to give them up. Jenny Evans / Getty Images July 26, 2021 | 2:01 PM Email SAN FRANCISCO — When people enter Teeth, a bar in San Francisco’s Mission neighborhood, the bouncer gives them options. They can order food and drinks at the bar, he says, or they can order via a QR code. Each table at Teeth has a card emblazoned with the code, a pixelated black-and-white square. Customers simply scan it with t...

Actually, QR Codes Never Went Away Don’t call it a comeback. After years of declining use in the United States, QR codes have become ubiquitous during the pandemic. But in China, they’ve been consistently popular.Credit...Valerie Macon/Agence France-Presse — Getty Images Jan. 28, 2021 Roy Healy’s first tattoo wasn’t the kind people usually regret, like a future ex’s name or a quotation in a language one can’t read. Still, he was nervous about it. He had asked the artist to ink a QR code on the inside of his wrist, directing to a website he owned, and he wasn’t confident it wou...