For some people, being anonymous on the web is very important. For those in countries that may be restricting or monitoring internet activity protecting their identity can be a matter of life and death.
For people who live in free societies you may also like to protect your identity and cover your tracks by using a browser on your computer that bounces your footprint around the world and makes it very difficult to trace you.
It’s pretty easy to do by downloading and installing the Tor Browser from here.
There’s a version for Windows, Mac and Linux. It’s pretty easy to get it up and running and the site has plenty of good information.
Of course, it’s not 100% safe, people who really want to know what you’re doing may still be able to find a way to do so. For most of us however, it would cover our tracks fairly well. You do need to be aware of the information that you might leave on a web server if you are logging in using identifying information. Little point if you use your real name and address!