QR code
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Revision as of 12:53, 20 April 2013
QR codes (Quick Response) are a type of 2-dimensional bar code which is currently very popular. Originally designed for industrial use in tracking items as they move around a warehouse or factory, they are currently mainly used to provide hyperlinks in ads, articles, and signs which somebody with an appropriate reader (such as apps for a smartphone) can use to retrieve what is generally a URL linking into the Web, though other kinds of content can also be stored.
References
- QR code (Wikipedia)
- Official QR site
- Reed Solomon Codes for Coders - Wikiversity tutorial
- QR code generator
