But for now, the auxiliary Portable Position Escrow Devices (cellphones, to mix in the OJ thread) augment the satellite support. Under no circumstances shoudl citizen-units be permitted to put their PPEDs in moving vehicles driven by other people; fortunately, existing littering laws prevent people from tossing their cellphones into moving pickup trucks, and the forthcoming ban on Gun Transportation Devices should eliminate pickup trucks before the population as a whole notices. Meanwhile, plans to restrict citizen-units to their Position Escrow Zones unless carrying PPEDs are being evaluated, and a cost-benefit analysis versus enhancing the planned SmartCard systems will be forthcoming. ... And they think we're just working for the Post Office....