Sure. The simplest example Google saves their cookies. Nowadays most sites have Google trackers. And they will read that cookies and know all your visited sites even if you did not visited them from their search. Turning them off is a must.

seems like they have zero legitimate uses.

I personally believe that flipping that switch gives you wayyy more control over the data that’s collected about your browsing habits. You get to call the shots and say “no thanks” to those annoying targeted ads. Ain’t nobody got time for that, amirite? 😅

Yes and I whitelist sites for saving cookies between sessions

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