Professor M. Faraday, Maull & Polyblank, (1857) Albumen silver print, The J. Paul Getty Museum, Los Angeles, Public Domain. Yesterday I wrote about Privacy Guide's mobile phone privacy and security guide for protesters. Today, Randy Zar, CEO of Faraday pouch manufacturer SLNT wrote: Just want to let you know your cell phone is tracking you regardless if you have it in airplane mode or not.  It even ping's when it's turned off. There is only one way to know for sure that you are not being track...