And imagine how good the average video call would be if you gave everyone the budget a good VR experience would cost to get a good webcam and headset, or just hand a kit to every new employee.

Then there's the whole issue of mixed meetings that they barely seem to touch on yet. How would five people, together in an office meet with three who work from home? Augmented reality? what if one of them left their headset at home? or if it's empty or broken? is the system smart enough to mute those in physical proximity of each other yet? or would they need noise cancelling earbuds to talk through the app?