But it isn't? At least, not for productivity uses. You will have to have your keyboard and the external battery with you. Which is a surprising amount of junk to carry everywhere.
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.
