From Moscow to Myanmar: Matt Harding danced around the world

      |Matt Harding -- the viral video sensation behind "Where the Hell is Matt?" -- first started videotaping his "stupid dance" on a busy corner in Hanoi, Vietnam. Since then, wherever he went -- through 100 countries, with an estimated 10,000 people taking part along the way -- Harding has danced his way around the world and delivered some of the most popular videos online. He talks to Erica Hill and Jeff Glor about his story.