一款Firefox 上的插件，可以帮助用户追踪追踪你的网址
搜索插件名称：collusion
插件更新后名称：Lightbeam
Lightbeam is a Firefox add-on that allows you to see the third parties that are collecting information about your browsing activity, with and without your consent. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.
http://open.163.com/movie/2012/5/N/7/M8VRRNOQT_M8VRRQHN7.html