At the end of 2006, Time magazine quoted Thomas Carlyle as saying that "the history of the world is but the biography of great men." They went on to explain that he believed that it is the few, the powerful and the famous who shape our collective destiny as a species. This theory took a serious beating last year.

For the first time in history, technology has reached a point where everyone has a voice. This voice, articulated through social media, can be extremely powerful and can force individuals, companies and communities to change the way they behave.

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