This seems to be the issue in question: https://www.w3.org/2011/tracking-protect...

This seems to be the issue in question: https://www.w3.org/2011/tracking-protection/track/issues/4

Here's the working group: http://www.w3.org/2000/09/dbwg/details?group=49311&publi...

I don't know enough to determine what % of companies represented on the panel are ad-supported; per a comment on the Microsoft blog:

  > thank you for not folding to the corrupt w3c standards 
  > body that is setting the standards with a full deck of ad 
  > supported companies on the panel

http://blogs.technet.com/b/microsoft_on_the_issues/archive/2...