Company
From the Austin Game Conference this last week was discussion of how "to combine the portability of cell phones with the power of virtual worlds to build a new gaming culture".
This could be a big feature for Citizen Zero:
"The first-person shooter called Citizen Zero will run on Microsoft's Xbox console, and allow people to play online over its Xlive service. Players won't be able to use their phones to access their accounts when the game launches, but the developer hopes its middleware will convince Microsoft to link the game through cell phones, said John DeMargheriti, president of Big World Inc., an Australian holding company. "
You can read more at Wired News
Have a chat about it over at the Citizen Zero forums.