MORE: What's next in aviation?
MB: Next year, you’re going to see Virgin Galactic begin to fly passengers—as they term it, private astronauts—to a height that puts you weightless, and there’s a whole long queue of people who have paid $200,000 a ticket to do it. To my mind, that’s great; I like that this is all pushing into a new area of flight and, really, the ability for a private citizen to access space. But that isn’t transportation; that falls into adventure sport and that’s a different category. I haven’t put my money down yet, I will tell you. But if I had an extra $200,000 lying around, I might.

Next: An Airfare Junkie's Guide to Flying for Free

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