With touch screen technology taking over much of the way we interact with computers it’s fun to remember how we used our clunky old trackballs to scroll through AOL message boards. The Visual History of The Computer Mouse illustrates this evolution. Link
That gyroscopic mouse for example is all nice and dandy, but I want to see you hold a mouse up in the air for 8 hours. At best it's basically a (bad) game controller and mouse combined. I'm not talking about game controllers.