Subscribers that pay for usage before they use it. In this case, cellular customers pay a fee which is programmed into their account, then use their cellular telephones for the amount of service they have paid for. Very similar to a pre-paid telephone calling card. (Cingular)
Device Manufacturers:
Amazon | Apple | Barnes & Noble | BenQ-Siemens | BlackBerry | Fujitsu | HP | HTC
Kobo | Kyocera | LG | Motorola | Nokia | Palm | Pantech | Samsung | Sanyo | Sony Ericsson | Toshiba
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