T-Mobile USA's Brad Duea explains Bobsled's accelerating momentum

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With over-the-top voice and data services emerging as a major disruption to conventional carrier business models, T-Mobile USA decided that if you can't beat 'em, you may as well join 'em. Last spring, the operator introduced Bobsled, which enables users to place free Internet calls over almost any data connection across devices including iOS and Android smartphones and tablets. On the eve of the recent CTIA Wireless 2012 conference, T-Mobile announced that more than a million consumers are using Bobsled services, which are available to consumers on any wireless operator network across the globe--in fact, 95 percent of Bobsled Calling users are not T-Mobile subscribers, and 80 percent of calls originate from international numbers. FierceMobileContent spoke to Brad Duea, the carrier's senior vice president of value-added services, to discuss the evolution of the mobile data ecosystem. Hot Seat