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Hacking Emotion, Ignite San Francisco, 2010
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Data Visualization Tutorial, Web 2.0 San Francisco, 2010 slides
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Location & Experience, Where 2.0, 2010 slides
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Data Visualization, Web 2.0 New York, 2009 slides
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Freerisk, Wired Business Conference, 2009 video
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Freerisk, Next6, 2009 slides
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Freerisk, Etech, 2009 video:slides