T-Mobile's Triple Threat

The converged cellular-Wi-Fi service, HotSpot @Home, is going up against local phone businesses, VoIP serviceand maybe even the iPhone

In the TV commercial for T-Mobile's long-awaited HotSpot @Home service, a wireless morph of cellular and Wi-Fi, a 20-something named Jimmy patters around the house in a bathrobe, soaking in the adoration of his friends: Sure, he was unpopular at school, but all that's changed now that he has converted his home into a Wi-Fi hotspot—and signed up for @Home, launched nationwide on June 27. It's a play for just the youthful audience T-Mobile USA (DT) needs to worry about with the arrival of Apple's (AAPL) iPhone slated to come just two days later through AT&T.

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