I find it interesting that so many people can find so many uses for the side buttons on a mouse. My Intellimouse 4.0 has the 2 buttons both on the left side of the mouse and I use the back button to reload the the forward to bring up the buy menu. It's all what's important to you in a game and what you are used to but still interesting all the uses for one or two buttons.
"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."
- Carl Sagan
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