You must be having the idea that each computer connected to the internet is having a unique IP address. With the help of this IP address, your activities on the internet can be tracked. But if you want to browse the internet anonymously then, like anything else, there is a solution for that.
Ultra Surf is a free and lightweight software application which lets you surf the internet anonymously. It protects the location related and other info by hiding the real IP address of the computer and showing a fake IP address. This tool can also help you the surf the internet at the places where some specific sites are not allowed like social networking sites in schools, college. You can also use this application as a Firefox browser add-on
Features Of Ultra Surf
You can download the Ultra Surf software and Firefox add-on by visiting the link http://www.ultrareach.com/
For browsers other than IE, apply following network settings
IP address - 127.0.0.1 port - 9666
For Firefox browser add-on, a WJ button appears in bottom right corner of Firefox browser after the installation of application. Use that button to enable/disable Ultra Surfusage.