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by executive 5385 days ago
They do.. it's called disable third party cookies.
1 comments

No that's for setting cookies, so that website A can't set cookies on your machine while you're visiting website B.

What I'm talking about is the ability to limit when cookies as sent out with requests. Privacy wary users could perhaps have their browser set so that for example Facebook cookies are not sent to Facebook just because you're visiting a website that has code from Facebook on it, but only when you're actually browsing Facebook.