"F:" Firefox tips for easy web surfing
Whether you’re a beginning, intermediate or advanced Firefox 3 (internet browser) user, Firefox offers a bunch of shortcuts and suggestions to help you get the most out of surfing the web. Here’s one I use all the time:
Tired of tiny text? Want to see an image a little more up close and personal? You can easily zoom in… and out of Web pages by holding the control key on your keyboard and the plus or minus keys.

For more tips and tricks, go to http://www.mozilla-europe.org/en/firefox/tips/