QR Codes Explained: Why You See Those Square Barcodes Everywhere

@ 2013/05/06
QR codes are plastered on advertisements, billboards, business windows, and products. They appear to be very popular among marketers, although it’s rare to see anyone actually scanning one.

These barcodes can be captured with a smartphone camera — for example, a typical QR code may contain an URL. Scan the QR code with a mobile phone and you’ll be taken to the website the QR code specifies.

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