• FlowVoid@midwest.social
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      1 年前

      Ok, so if I visit a travel site with a Like button, then Facebook knows someone visited that site.

      Later if I visit a sports site with a Like button, then Facebook knows someone visited that site too.

      But since I don’t let Facebook store cookies on my browser, Facebook still can’t link the first visit to the second one. Or link those visits to any future sites I visit. So how it can serve personalized ads on them?

      • FarceOfWill@infosec.pub
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        1 年前

        It can link first by IP address, and then by fingerprinting.

        Best to use unlock origin etc. to block all those little buttons. Don’t even connect to their server