Wi-Fi Internet Access Is Hot, but Its Profit Potential Is Tepid "With the Wi-Fi wireless Internet access standard becoming a bandwagon that even big players like AT&T, I.B.M. and Intel are joining, equipment companies big and small are hoping to ride along. But many industry analysts say it could be hard to make money in Wi-Fi, which is unlikely to represent more than a tiny fraction of the overall telecommunications equipment market for at least several years."