The Innovator's Dilemma by Clayton M. Christensen
(paperback)
What do the Honda Supercub, Intel's 8088 processor, and hydraulic excavators have in common? They are all examples of disruptive technologies that helped to redefine the competitive landscape of their respective markets. These products did not come about as the result of successful companies carrying out sound business practices in established markets. In The Innovator's Dilemma, author Clayton M. Christensen shows how these and other products cut into the low end of the marketplace and eventually evolved to displace high-end competitors and their reigning technologies.