What Are QR Codes?

Even before millions watched a QR code bounce across the screen during the Super Bowl, the plucky code scratched back into our lives. 

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17 Creative Ways to Use QR Codes

Merchant-Presented QR Codes, Explained

The QR Code is everywhere, but where did it come from?

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QR Code, 2D, matrix & scanning

What is a QR code?

There's nothing 'quick' about QR Codes

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QR Code Generator for Text Marketing