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Byline: MIKE ANGELL
Many hotels, coffee shops and airports are installing Wi-Fi hot spots to let portable computers and devices access the Internet wirelessly.
Although there's no doubt Wi-Fi is a convenience for users, some question whether anyone can make money providing Wi-Fi service.
Wi-Fi service providers have hit trouble spots, though the technology still has a lot of fans.
"We've been saying for a while that the market just isn't large enough," said Jane Zweig, who heads the Shosteck Group wireless research firm.
Wi-Fi hot-spot networks "are on the cusp of getting big," said Alan Promisel, an analyst for International Data Corp.
Opinions vary greatly because Wi-Fi, which stands for …