You may have a reflex to reach for your mouse whenever you sit at a computer. If you have a laptop, you might just move your hand lower and skim your fingers over the trackpad. But anyone who has sat ...

Modern wireless optical mice are cool and all, but my vintage IBM trackball mouse from last century is even nicer.

After decades of working with computers, I started to develop some wrist and arm pain a few year ago. So I switched from using whatever random mouse I could find for under $20 to using input devices ...