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by singron 1362 days ago
That's only for ad personalization. If you want to turn off web and app activity, you have to be logged in.

The ad industry has had these opt-outs for a while, but you have to set opt-out cookies on about 500 sites, so it's not practical. DNT solves that problem, but the industry won't voluntarily adopt any solution that has any realistic chance of making a difference.