In Pictures: 15 coolest gadgets at Macworld/iWorld Expo

The Macworld | iWorld Expo in San Francisco is an Apple lover's Disneyland. Ashton Kutcher kicked things off by plugging his movie "iJobs," but the main attraction is the showroom floor where vendors display their wares, everything from iPad and iPhone add-ons to iOS apps to Apple enterprise gear.

Lantronix

Last summer, Lantronix came out with a pretty cool rectangular box roughly the size of an iPhone – one that solved a major headache for iPhone and iPad customers. The xPrintServer is a kind of translator that sits wirelessly between your iPhone-iPad and an old printer. Now you can print from the iPhone-iPad without having to buy a separate AirPrint printer. Cost: $199 for office edition, $99 for home edition.

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