Imagine anyone living in NYC could transport to Tokyo in 1 hour. Current flight time? 13 hours. So imagine you can shave off 12 hours. Once you get to Tokyo you have a hand held device that allows you to broadcast HD video to the world at 24p (30p or whatever — fastest available).
EVERYONE has this capability. Now what?
Of course, the travel time drop is not about to happen, but the hand-held broadcasting is easily imagined. Map out the economic development that unleashes?