While technically unconnected to each other, recent reports about the Secret Service and Immigration and Customs Enforcement playing fast and loose with rules regarding cellphone tracking and the FBI purchasing phone location data from commercial sources constitute an important wake-up call. They remind us that those handy mobile devices many people tote around are the most cost-effective surveillance system ever invented. We pay the bills for our own tracking beacons, delighted that in addition to tagging our whereabouts, they also let us check into social media and make the occasional voice call.
