Beware of ads that use inaudible sound to link your phone, TV, tablet, and PC

arstechnica.com

Advertisers are trying to "defragement" us and reassemble our identities back together. If you have an Apple phone and use Chrome on your laptop, you are seen as two distinct consumers, which means marketers can less effectively track the impact of their campaigns on you. New technologies are popping up to address this "issue" and are, of course, a privacy nightmare as illustrated here:


"For example, a company could see that a user searched for sexually transmitted disease (STD) symptoms on her personal computer, looked up directions to a Planned Parenthood on her phone, visits a pharmacy, then returned to her apartment," the letter stated. "While previously the various components of this journey would be scattered among several services, cross-device tracking allows companies to infer that the user received treatment for an STD. The combination of information across devices not only creates serious privacy concerns, but also allows for companies to make incorrect and possibly harmful assumptions about individuals."

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