You can use two Windows machines at once with a single keyboard and mouse without any special hardware. I had an extra laptop lying around that now connects with the same keyboard and mouse as my PC.

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 ...

In the early days of computers, mice (and keyboards) were the only ways we could interact with whatever was in our screens. These days, consumers are spoilt for choice when it comes computer input ...