Building the business of Lego

(FILES) - Japanese children look at their work made by LEGO bricks as part of the Dream City building event produced by LEGO education in Tokyo on August 16, 2009. Danish toy maker Lego on September 5, 2013 reported an 18-percent rise in first-half net profit as revenue grew 13 percent, fuelled by growth in Asia as developed markets stalled. AFP PHOTO/Kazuhiro NOGIKAZUHIRO NOGI/AFP/Getty Images

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    Building the business of Lego

CNN's Maggie Lake speaks to Lego CEO Jørgen Vig Knudstorp about why Lego continues to be a hugely popular toy.