I doubt that could successfully be done more than rare occasions, for some of the problems see Christensen's "The Innovator's Dilemma" http://www.amazon.com/Inn

I doubt that could successfully be done more than rare occasions, for some of the problems see Christensen's "The Innovator's Dilemma" http://www.amazon.com/Innovators-Dilemma-Revolutionary-Business-Essentials/dp/0060521996/ref=sr_1_1?ie=UTF8&s=books&qid=1251752578&sr=8-1 http://www.amazon.com/Innovators-Dilemma-Revolutionary-Busin...