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How to use QR codes with mobile phones
This strange code is called a QR Code (Quick Response Code). It's a great way of connecting to mobile web pages without having to type in the URL.
To use it you will need a barcode scanner on your phone. Many new phones have them built in. Have a look in your phone's menu or in your phone's office folder. If you don't have one you may be able to download one to your phone.
Once you have found or downloaded the scanner to your phone simply open it up. Choose to 'Scan Code' whilst holding your phone's camera to the code. A link will appear taking you to the mobile webpage when clicked.
Find out more on Wikipedia