It was more interesting than another quarterly business update. On May 9th Jeff Bezos, the boss of Amazon, had his coming-out party as a space cadet. Mr Bezos, who is the world's richest man, has long been interested in using his fortune to advance the cause of space flight. His private rocketry firm, Blue Origin, was founded in 2000. But he has been less of a publicity seeker than Elon Musk, the founder of SpaceX and the world's best-known enthusiast for outer space.
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