QR code on practice

A QR Code is a matrix barcode (or two-dimensional code), readable by QR scanners, mobile phones with a camera, and smartphones. The code consists of black modules arranged in a square pattern on white background. The information encoded can be text, URL or other data. - from Wikipedia.

During a time we've implemented a lot of tools and useful instruments for creating and using QR codes. So this page summarizes our efforts and contains a useful how-to guide.

How to do (with QR codes):

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