QR code style markers — those lil’ barcode-looking boxes you’ll see on ads from time to time, meant to be scanned with your phone to launch some website or app — have yet to really find their footing ...
Amazon will start rolling out its own version of QR codes, TechCrunch reports. Called SmileCodes, they function just like a typical QR code -- scan it with your phone and see where it leads -- but ...
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