https://www.w3.org/TR/tracking-dnt/
Tracking Preference Expression (DNT)
This specification defines the DNT request header field as an HTTP mechanism for expressing a user's preference regarding tracking, an HTML DOM property to...
tracking preferenceexpressiondnt
https://lists.w3.org/Archives/Public/public-tracking/2012May/0195.html
Re: Tracking Preference Expression Spec Suggestion from Matthias Schunter on 2012-05-14...
https://www.w3.org/2011/tracking-protection/track/actions/241
ACTION-241: Propose changes regarding issue-116 (and also "general preference ") - Tracking...
https://www.w3.org/2011/tracking-protection/track/actions/244
ACTION-244: Propose changes regarding issue-116 (and also "general preference") - Tracking...
https://www.w3.org/2011/tracking-protection/track/actions/242
ACTION-242: Propose changes regarding issue-116 (and also "general preference ") - Tracking...