Retargeting Ads
http://www.nytimes.com/2010/08/30/technology/30adstalk.html?_r=1&hp
Information Law, Policy and Digital Privacy
http://www.nytimes.com/2010/08/30/technology/30adstalk.html?_r=1&hp
http://lifehacker.com/5544200/top-10-privacy-tweaks-you-should-know-about