Priv3 on LifeHacker

excerpt: 
Firefox: It's not just Facebook that's actively tracking your movements on the Web without your consent: Google, LinkedIn, and others do the same, although most other services make it easier to opt out. If you want to use those services when you want without trading your privacy for the privilege, Priv3 is a Firefox extension that gives you back the ability to choose.
research area: 
recap: 
Networking researchers have built an extension for Firefox that keeps social networking sites from tracking your movement on certain Web pages without your knowledge.