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Although not widely seen yet in Australia, QR (short for Quick Response) Codes are commonly used in Japan, and the technology is starting to catch on in other countries. Used for storing contact information and URLs, the funny-looking two-dimensional bar codes can be scanned with camera phones equipped with an appropriate reader.

This tutorial explains what you can do with QR codes, and suggests free mobile QR apps for the major phone operating systems so you can start using these small graphics to send or read links, contact information or just about any other information.

Read the full article »

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