Billionaires' Fortunes Rose to $1.9 Trillion

The richest people on the planet got even richer in 2012, adding $241 billion to their collective net worth, according to the Bloomberg Billionaires Index, a daily ranking of the world’s 100 wealthiest individuals.

Soylent: The Food of the Future?
29:07 - Rob Rhinehart, Soylent's chief executive officer, discusses the company's quest to disrupt the food industry. He speaks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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