Elon Musk will soon own Twitter. Who is he, and how did he get to be the world's richest person? - ABC News

He's a space rocket mogul, an electric car salesman, a madcap inventor, and a celebrity entrepreneur. Oh, and he's the world's richest person. But what else do we know about Elon Musk?

He's a space rocket mogul, an electric car salesman, a purveyor of satellite internet, and a madcap inventor. He's also a celebrity entrepreneur, Twitter troll, and the guy who once dated Canadian m… [+10410 chars]

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