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CNET.com.au's quick guide to handheld operating systems

In this quick guide, we take a look at the functionality and applications of the four main handheld operating systems -- Palm, Windows Mobile, Symbian and BlackBerry.

Tips and tricks for using your BlackBerry

The BlackBerry is an extremely powerful productivity tool, and while it's very much a "pick up and play" device, knowing the various operating system quirks and shortcuts can be very handy.

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