Skeptics are asking whether wireless Internet connections will become similar to the wired Internet of the late 1990s - hot but rarely profitable.
“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















