One reason Zoom is more tiring than meeting in person is that you can't tell whe... | by Paul Graham

One reason Zoom is more tiring than meeting in person is that you can't tell when people are looking at you. So you have to look cheerful and attentive all the time, just in case.

My guess is that (a) there's a way to solve this and (b) it's sufficiently far removed from Zoom that Zoom will resist doing or even discovering it. Which implies there's an undiscovered startup here.