Disruptive Innovations

"Still, the novel pay schemes "are hugely interesting," says Harvard Business School professor Clayton Christensen, who cites both Kazaa and Skype as great examples of the "disruptive innovations" he studies. "It's almost never the technology itself that paralyzes the incumbent—it's that the incumbent has a system for making money that's irrelevant to the new guys."" (Hyped Over Skype - Enterprise Management - MSNBC.com)