Dr. David Matsumoto, Happiness Conference explains Duchenne Smiles [Video]

Dr. David Matsumoto speaks at the Happiness Conference in Sydney. Dr. Matsumoto describes the characteristics of a Duchenne Smile and puts the audience to the test at the conference. See more of his work at http://www.humintell.com

Source: http://www.youtube.com/watch?v=y3_bk9jHXrI

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