Anonymous Surfing redirects your web traffic through secure servers, hiding your online identity. Identity thieves, aggressive marketers, hackers and online snoops are prevented from accessing your personal information and viewing your Internet activity.
The Anonymizer (includes a Free Tool to browse any website anonymously)http://www.anonymizer.com/
From reading some of the information on these sites, you may be shocked to realize how little privacy you actually have….even with a Firewall. If you have concerns with identity theft or monitoring of your online browsing without your permission , I suggest you take a look at these sites and decide for yourself.