TIL that television ads can use inaudible sound to link your phone, TV, tablet, and PC. Companies can track what commercials you see, how long you watch it, and whether you act on the ad by doing a web search or buying a product.
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Submitted June 27, 2018 at 07:24AM by l_hazlewoods https://ift.tt/2tHdXaZ
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June 28, 2018 at 01:33AM
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TIL that television ads can use inaudible sound to link your phone, TV, tablet, and PC. Companies can track what commercials you see, how long you watch it, and whether you act on the ad by doing a web search or buying a product.
![TIL that television ads can use inaudible sound to link your phone, TV, tablet, and PC. Companies can track what commercials you see, how long you watch it, and whether you act on the ad by doing a web search or buying a product.]()
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