As far as I can tell, this official extension for Chrome has been available since January of last year and supports the header: http://googlepublicpolicy.blogsp

As far as I can tell, this official extension for Chrome has been available since January of last year and supports the header: http://googlepublicpolicy.blogspot.ca/2011/01/keep-your-opt-outs.html http://googlepublicpolicy.blogspot.ca/2011/01/keep-your-opt-...