NSA can track powered-down phones: how to actually protect your privacy

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 y…