And here I had brainstormed some geeky-ass eye-tracking solution that automatically routes the input to the computer connected to the monitor I'm looking at. I'

And here I had brainstormed some geeky-ass eye-tracking solution that automatically routes the input to the computer connected to the monitor I'm looking at. I'll have to look into this (and Barrier as mentioned by another commentor), thank you. Looks like magic.