What a Difference a Tweet Makes

Last April, Ashton Kutcher made history when he challenged CNN to a race to a million followers on Twitter and won. While certainly a coup for Ashton and for new-versus-traditional media, the real winners of the Twitter race are families in Africa.

As @aplusk amassed followers, he also encouraged Twitter users to donate mosquito nets in honor of World Malaria Day on April 25th -- making "malaria" a Trending Topic. What followed was an incredible demonstration of the power of social media to galvanize the online community around a cause.

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