"Rather, it collects locations in bulk because its most powerful
   analytic tools — known collectively as CO-TRAVELER — allow it to look
   for unknown associates of known intelligence targets by tracking people
   whose movements intersect."
   You were in the airplane with X so we may now personally inspect all of
   you.
   "When U.S. cellphone data are collected, he said, the data are not
   covered by the Fourth Amendment, which protects Americans against
   unreasonable searches and seizures."
   The next step is where the federal government declares all state's
   grounds to be in full ownership of a private company, so that all land
   is now effectively foreign and no citizen's rights apply to citizens
   anymore. An American abroad is not an American. That's an official
   view.