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Skeptics Question Wi-Fi’s Viability

“Anyone trying to build a stand-alone business on Wi-Fi access should be worried,” said analyst John Yunker of Byte Level Research. “It’s not a stand-alone business, it’s an add-on to other communications businesses, the cable bill or the DSL bill.”

Wi-Fi, short for wireless fidelity, appeals most to people with laptops and personal digital assistants. It radiates an Internet connection to users within 300 feet

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