http://privacyy3tsy4mge4qmg4nsid2vnhl7szzupphhkfsxvayx5tl2ztbqd.onion/googles-surveillance-the-shocking-truth/index.html
As University of California Santa Barbara cybersecurity researchers presented at a BlackHat European conference, 3rd party apps like Silverpush can play high frequency audio, which is invisible to the human ear, on another device like a television ad or mall kiosk. Then your phone’s mic picks up the frequency, to rat out your real identity or location. [34] Silverpush’s advertising system is embedded into many “free” apps on...