You should take a gander at Mark Gibbs’ article, “What your browser says about you”, at
http://www.networkworld.com/community/node/57162?page=1.
Once you do that you’ll certainly want to go visit Panopticlick, at
https://panopticlick.eff.org/.
By now you may be wondering how can safely indulge that GIJoe fetish online any more.