What Is Wikinomics? This week, IdeaCast producer Steve Singer talks with Don Tapscott, co-author, with Anthony D. Williams, of Wikinomics: How Mass Collaboration Changes Everything. In its latest incarnation, Tapscott says, the World Wide Web has become a communal experience--collaborators from anywhere and any walk of life now have the ability to solve problems and produce results through the use of collective wisdom. Although some business leaders may find the prospect of this kind of openness rather frightening, Tapscott believes that leveraging the new wave of community is the way of the future.

HBR In Brief: And in our HBR In Brief segment, What Great Managers Do.

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