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  • Vi Hart, Mathemusician – XOXO Festival (2013)

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    Using little more than a Sharpie and a sheet of paper, Vi Hart breaks down topics like Fibonacci sequences, binary trees and hexaflexagons, turning doodling in math class into entertaining, thought-provoking videos. As a result, she’s built an audience of over 600,000 subscribers in three years, with more than 43 million views for her YouTube videos.

    Recorded in September 2013 at XOXO, an arts and technology festival in Portland, Oregon celebrating independent artists using the Internet to make a living doing what they love. For more, visit

    Intro Music: Broke for Free, “Breakfast with Tiffany”

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