QR Codes

QR Codes

QR code structure

You have probably already encountered a few QR codes. These codes are becoming more and more common, and can be found on business cards, ads, historical buildings, T-shirts, etc. You're meant to scan them using your smartphone. They can contain all sorts of information, the most common being plain text, URLs, and contact information. The information is… [This article contains a demo in which you can create your own QR codes!]

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Submitted on 25 October 2011