This will only be useful if governments enforce it. The US has included it for consideration in the US Privacy Bill of Rights[1] and the EU may enforce it as we

This will only be useful if governments enforce it. The US has included it for consideration in the US Privacy Bill of Rights[1] and the EU may enforce it as well[2]. But until there is some form of punishment for not complying with DNT it is essentially window dressing. [1]http://www.whitehouse.gov/sites/default/files/privacy-final.pdf http://www.whitehouse.gov/sites/default/files/privacy-final.... [2]http://ec.europa.eu/justice/data-protection/article-29/documentation/other-document/files/2012/20120301_reply_to_iab_easa_en.pdf http://ec.europa.eu/justice/data-protection/article-29/docum...