The Bluebird accounts will have no minimum balance requirement and no monthly maintenance, annual or activation fee.

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In the most restrictive scenario, which appears more likely with the Durango, a disc is tagged after it has been installed once, and subsequent users have to pay a nominal activation fee, similar to the way many games use online passes now.

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Activation fee may apply.

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For example, in the past, if Sprint Nextel sold and activated a certain number of handsets, InPhonic would get an upfront fee for each activation.

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For example, in the past, if Sprint Nextel (nyse: S - news - people ) sold and activated a certain number of handsets, InPhonic would get an upfront fee for each activation.

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