Microsoft's Web 2.0 plans for the enterprise

At the Web 2.0 Expo in San Francisco, Stephen Elop, president of Microsoft's business division, explains how Microsoft plans to apply Web 2.0 technology, such as self-service and groups of people contributing to applications, to the enterprise. In an interview with Tim O'Reilly, founder and chief executive of O'Reilly Media, Elops also details Microsoft's plans to release ad-supported programs.