Bayen agreed that privacy is paramount, saying that the new system would scramble the actual identification numbers of cell phones and once a vehicle's progress was recorded, that bit of information would be discarded. "From a privacy standpoint, the less information given, the better ... Cell phone users will have the option to turn off the service if they don't want to use it or they don't want their data sent." Even so, Weinstein said users of the system need to be informed that a judge's order could well force the purveyors of the traffic information to alter those protections and start collecting more specific data on wireless users. Full Article at Inside Bay Area