3. LEGO Cuusoo
csource lego

Originally created by a group of LEGO diehards in Japan, LEGO's Cuusoo fan page is now operated by the brand itself. (Cuusoo is a Japanese word that means "to wish something into existence.") The toy-brick maker uses the platform to interact with its users and offers a pipeline to submit original ideas for "the LEGO set of their dreams," says Mark Fothergill, LEGO's head of children's community and moderation.

Once an idea placed on the community receives 10,000 supporters (the equivalent of "likes" on Facebook), the set is considered by LEGO for actual production. The most recent idea accepted by the Cuusoo team: a LEGO model of the DeLorean from Back to the Future, currently in production. Fans are compensated for their contributions, too, receiving 1% of their suggested product's net sales total.

  @FortuneMagazine - Last updated June 24 2013 10:19 AM ET
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