I wonder what the breakdown is then between wired and wireless keyboards? I have to think the wired ones are far more popular. I've had a wired Logitech trackb

I wonder what the breakdown is then between wired and wireless keyboards? I have to think the wired ones are far more popular. I've had a wired Logitech trackball for many years, and I worry that on the day it breaks I won't be able to replace it.