Did you know that while you are navigating a web site it is much quicker to use the space bar instead of scrolling down the page? Using the space bar also is really handy for keeping your place on the web page. When you hit the space bar it scrolls down a full screen. Basically giving you new information on the web page.
Did you know that using the combination of Shift Space bar will move you back up a screen when on a web page?