QR codes are matrix bar codes that are readable with smartphones, cameras, scanners, and mobile phones. They look like a combination of black and white blocks. QR stands for quick response. You can generate your own QR code that either consists of text, calls somebody, or a url. By scanning the QR code you are able to then decode whatever it means. It has become a new T-shirt or tattoo idea to get a QR code printed or tattooed on.
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<img src="http://qrcode.kaywa.com/img.php?s=12&d=This%20right%20here%20is%20a%20QR%20code.%20" alt="qrcode" />
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