These days, everyone on the internet already knows if you’re a dog. Thanks to a newly developed tracking technique, they may soon know even more.
Pennsylvania-based computer science professor Yinzhi Cao just unveiled a method that IEEE Spectrum reports makes “fingerprinting” across multiple web browsers possible — with a striking degree of accuracy. That means anyone looking to follow you around the internet — advertisers, credit card companies, or websites — can now do so even if you habitually switch from Firefox to Chrome to Safari.
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