Cyberscope

PDAS: Beamie Baby

Without wireless Net connectivity, your Palm is an island. But for frequent travelers, help is coming from a new start-up called adAlive. It's attaching cereal-box-size devices to billboards to provide Internet access for infrared- enabled PDAs. Just point to an adAlive-equipped billboard for e-mail, city guides, AvantGo and Vindigo updates and additional information or coupons from the advertiser. Right now, it's available just in billboards at the American Airlines terminal at JFK, but expect other airports and hotels to add adAlive soon.

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