From Millions to Billions

What age did they make their first billion?

See how long it took 21 of the world’s richest entrepreneurs to build their fortunes. Find out who was the youngest billionaire, who went from $1 million to $1 billion the fastest, and who took their time to prosper.

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I wish this was a longer list!
I wish this was more diverse
well this doesn't make me feel bad about myself at all 😬
How about Travis Kalanick?
I wish I were on the list