Trackballs and the Promise of the Future

Trackballs look like the future. They are sleek, odd and different. They do exactly what mice do, but do it while looking awesome. Trackballs are a vision of tomorrow. Except......they don't quite live up to that hope. They don't work any better than mice, in fact in some ways they are less useful. They tend to gum up pretty easily, and require frequent cleaning. In addition to that, they're