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Ads Surreptitiously Using Sound to Communicate Across Devices

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 into TV commercials or are played when a user encounters an ad displayed in a computer browser….
https://www.schneier.com/blog/archives/2015/11/ads_surreptitio.html


Categorised as: interesting

Posted by: Thationdeas64

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