The software updates itself automatically over the Internet, and is available for each of the four main device platforms: Palm's Palm OS, Microsoft's Pocket PC and Windows CE, and Symbian's EPOC.

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Because different companies use different operating systems, Symbol makes products based on the Palm (nasdaq: PALM - news - people) OS, Microsoft 's (nasdaq: MSFT - news - people) Pocket PC platform, Windows CE and DOS. What these products have in common is their durability.

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