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When several of the world's most notable entrepreneurs allseem to agree where the next big business opportunity lies, youhave to pay attention. But what if they're all startingcompanies to provide space transportation to tourists?
The question is highly relevant today, as a gaggle of marqueebusiness creators line up to invest sizeable fortunes in goingwhere no profit-making business has gone before. The list includesMicrosoft co-founder Paul Allen,Amazon.comfounder Jeff Bezos, Virgin founderRichard Branson and Elon Musk, who co-founded PayPal and sold it toeBay for $1.5 billion.
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