What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...
I can’t see this on my own Facebook profile yet, but we’ve gotten a number of tips in our inbox in the past 10 minutes so it’s safe to assume it’s not a hoax or anything: Facebook appears to have ...
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