Every seven seconds, your cell phone automatically scans for the nearest cell tower which can pinpoint your location as accurately as within 50 meters. A GPS chip in your phone can reveal your location within a few yards. In just one year, Sprint Nextel provided law enforcement agencies with the specific whereabouts of an unknown number of customers more than 8 million times. They required law enforcement to provide neither a warrant nor probable cause to access this information. Sprint even set up a website for law enforcement agents so they could access these records from the comfort of their desks.