Ars botched the details in summing up the study. Read the original study here: http://cyberlaw.stanford.edu/node/6694 http://cyberlaw.stanford.edu/node/6694 W

Ars botched the details in summing up the study. Read the original study here: http://cyberlaw.stanford.edu/node/6694 http://cyberlaw.stanford.edu/node/6694 When a consumer visits Google's opt out page (where you obtain a doubleclick.net opt out cookie), or gets one via the NAI, the doubleclick.net tracking ID is deleted. Google does not support the DNT header.