The Unassured Future of Wireless Data

Wireless providers hope to grow by selling more data services, like instant messaging. But first they need to hold onto the customers they already have

See the guy a few seats ahead of you on the train frantically looking for the latest sports scores on his mobile phone? Odds are that if you find him on the train a month from now, he will be doing something else instead: Reading the newspaper, listening to his iPod—or using his mobile phone to have an old-fashioned voice conversation.

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