Geoffrey A. Moore - Crossing the Chasm: Marketing and Selling High-Tech Products to Mainstream Customers - http://en.wikipedia.org/wiki/Crossing_the_Chasm http:

Geoffrey A. Moore - Crossing the Chasm: Marketing and Selling High-Tech Products to Mainstream Customers - http://en.wikipedia.org/wiki/Crossing_the_Chasm http://en.wikipedia.org/wiki/Crossing_the_Chasm