DAA and add browser-based header signals

Le 24 févr. 2012 à 06:00, Ed Felten a écrit :
> The DAA's statement said the group would "add browser-based header
> signals to the set of tools by which consumers could express their
> preferences under the DAA Principles", 

I didn't understand that part. 
What are they planning to do?


-- 
Karl Dubost - http://dev.opera.com/
Developer Relations, Opera Software