2008 marked the end for many a mobile virtual network operator (MVNO), most going under in a flood of bankruptcies or getting consumed but their parent networks. It sure seems like no company in its right mind would want to wade back into that graveyard, but Zer01 is thinking differently, pledging to launch a new network within a network next month at CTIA 2009. Its services will be provided by AT&T, but it'll undercut the competition with a combination of a $69.95 monthly unlimited voice and data plan and
