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Now Playing: 12-24-12 Marketplace

Tonight's the big night for Santa -- we break down the numbers of Santa's business enterprise, elves and all. Toy analyst Sean McGowan explains why Lego is still relevant in 2012. Meanwhile, Microsoft computer sales are down from last year. Charles Dickens would be celebrating his 200th birthday this year; reporter Christopher Werth explores the economics of the man and his works. And in the latest installment of the Street of Eternal Happiness series, a look into the China's 'mad men' industry.