This is one which everybody who is nervous about mobile phones, and like me, never has it on, or on them, should watch. Apparently, even in “airplane mode” the phone can still track you, or collect data about your whereabouts:
  http://insider.foxnews.com/2018/02/07/google-tracking-you-tucker-carlsons-report-silicon-valley-surveillance-capitalism

     This got me thinking about what other little tricks have been placed in the backdoor of the technologies that we have been told are irreplaceable for modern life. But, I bet they would have a job tracking John Steele, out in the scrub, in a cammo  (not “commo”) tent, probably disguised from satellites by tree cover, with himself probably covered in mud to reduce heat signatures, like Arnie in this famous movie:
  https://www.youtube.com/watch?v=ktVqsBgOvBI