I use the middle mouse button a lot. To open new links, and close tabs in Firefox. I also use Sketchup and Autocad frequently where I use the middle mouse button to rotate and pan the view, so it is ...
Nearly three years ago, I reviewed an early version (1.1b1) of Marc Moini’s Smart Scroll, a utility that let you scroll documents—line-by-line, as opposed to paging up and down—using the keyboard.