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more than that, theres a bunch of sites that buy your email address/phone number from companies, which then provide matching across browsers/devices/containers/
by idunno246 9y ago
more than that, theres a bunch of sites that buy your email address/phone number from companies, which then provide matching across browsers/devices/containers/etc which they sell to others. All you need to do is log into one on each and the cookies get linked and they know its the same person.