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technology news

Actually, QR Codes Never Went Away

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,…

Facebook Posts a 53 Percent Jump in Profit

Facebook on Wednesday reported surging profits and revenue driven by soaring ad sales, but cautioned that it might face “headwinds” in the future from regulation and technology changes.The social network’s revenue in the fourth quarter grew…