BTW, these opt-out options work by adding unique cookie identifiers to your browser (opt-out tracking is implemented by tracking you?). If you block 3rd-party c

BTW, these opt-out options work by adding unique cookie identifiers to your browser (opt-out tracking is implemented by tracking you?). If you block 3rd-party cookies or ads, it won't work, and you'll need to redo everything if you clear cookies or change browser. I'd say these "opt-out" options are not gonna work in practice.