I think the idea here is that it's easier to look down than it is to spend a long period of time holding your arm up to a laptop screen. Either you're moving y

I think the idea here is that it's easier to look down than it is to spend a long period of time holding your arm up to a laptop screen. Either you're moving you're eyes off the screen or lifting your hands up off the keyboard - I'd say there are arguments for and against each, and I look forward to seeing how this solution actually works in use as opposed to the armchair theories we've been seeing.