Ads Surreptitiously Using Sound to Communicate Across Devices
Ads Surreptitiously Using Sound to Communicate Across Devices From Schneier On Security This is creepy and disturbing: Privacy advocates are warning federal authorities of a new threat that uses inaudible, high-frequency sounds to surreptitiously track a person’s online behavior across a range of devices, including phones, TVs, tablets, and computers. The ultrasonic pitches are embedded…