Mouse Wheels can also do Lots of things...

Now! Everyone is fully aware of a mouse wheels ability to scroll up and down on a page. This wheel can also do so more..........
The mouse wheel can also be used as a button. Pressing down on the wheel will act like a third mouse button. This can be used to open a web page in a tab by clicking the wheel on any link and can also be used to close a tab by clicking the wheel on any open tab.

Move forward and backwards while browsing the Internet by holding down the Shift key and scrolling up and down. Scrolling down goes back and scrolling up goes forward.