Crossing The Chasm: Marketing and Selling Disruptive Products to Mainstream Customers (Paperback)
by Geoffrey Moore

A never-out-of-date classic for the library of every technology marketing executive.

Inside the Tornado: Strategies for Developing, Leveraging, and Surviving Hyper-growth Markets (Paperback)
by Geoffrey A. Moore

Using the "tornado" metaphor correctly, this book suggests that turbulence of unprecedented magnitude has occurred within the global marketplace which the Internet have created. Should be read with Crossing the Chasm.