None of them, however, permits tracking quite as cheaply, undetectably, and pervasively This is a theme. Large swathes of privacy have been eroded simply becau

None of them, however, permits tracking quite as cheaply, undetectably, and pervasively This is a theme. Large swathes of privacy have been eroded simply because technology allowed the Government to use principally legal methods on a much greater and automated scale. And with the past an current government, there is no particular push to reverse this. The only help here has been the Supreme Court decision on warrantless GPS trackers.