Outstanding companies can do everything right and still lose their market leadership -- or worse, disappear completely. Focusing on "disruptive technology" -- the Honda Super Cub, Intel's 8088 processor, or the hydraulic excavator, for example -- Christensen shows why most companies miss "the next great wave." Whether in electronics or retailing, a successful company with established products will get pushed aside unless managers know when to abandon traditional business practices. Amazon 
I found reference to his book on Kevin Kelly's blog. Article
Clay Shirky coined The Shirky Principle.