Life is good for Evan Spiegel.
His company, Snap Inc., is preparing for one of the most hotly anticipated initial public offerings of 2017 at a valuation of about $20 billion. The Snapchat app is beloved by teens everywhere, and Snap's recently released Spectacles glasses are one of the most sought-after gadgets.
And with an estimated net worth of $2.1 billion, Spiegel, 26, is the youngest self-made billionaire in the world, according to Forbes.
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