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QR codes are useless
Should I care about QR codes? I posited the question on Twitter today…and it seems I shouldn’t care. I’m glad to know I’m not alone. QR codes (or quick-response codes) are like barcodes that can be scanned by a mobile device’s camera and read with an app. As I understand it (and I don’t understand much about these types of things), the cool-looking black squares can be encoded to include any kind of data. They can be used to direct someone to a website, contac...
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