Tim Cook just officially became a billionaire. Take a look at how the Apple CEO spends his fortune.

· *Apple CEO Tim Cook is officially a billionaire, per calculations by the Bloomberg Billionaires Index.*
· *Apple** now has a market value of nearly $2 trillion, per Bloomberg.*
· *Cook's wealth derives from his Apple salary, the number of shares he holds in the company, and the proceeds he's made from share sales. *
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