Doing the same things without the feedback on input, though? Feels odd. I can almost see the argument for "you can just hook up your keyboard for the productivity," but I think we are well past the diminishing returns on screen size for most folks.
I am hopeful that this can lead to some more money spend on the ideas. Hard not to see some of this having impact in the future. But really hard for me to see it as an amazing creation/productivity tool.
I can almost see this being ok for waiting room and flights. The waiting room, though, you will not want to lose your situational awareness. Odds are high that someone is going to be calling your name. Not necessarily walking up to you to get your attention.
In lines, this is right out. You can't walk while using it. The explicitly are not supporting you moving through a large room, as I recall.