QR code

QR codes (Quick Response Code) are a type of matrix code. It was designed by the Japanese company Denso-Wave in 1994 for encoding web addresses, telephone numbers, SMS messages, text and more. If you are the fortunate owner of a camera-equipped cell phone, you can install on it a special program for recognizing these matrix codes and save a great deal of time entering, for example, web addresses on your cell phone. You can find more detailed information on

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There are many programs for recognizing matrix codes, here are a few of them: