Eric Barker is the author of "Barking Up The Wrong Tree." In this video, Barker explains what it takes to be a billionaire, and it isn't a high GPA.
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Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.