A world-renowned innovation guru explains practices that result in breakthrough innovations. Twenty years into the customer-driven innovation movement, breakthroughs are rare and these failures cost Fortune 1000 companies between $50 million and $800 million each year. Growing out of Anthony Ulwick's revolutionary "Harvard Business Review" article and featured in Clayton Christensen's new bestseller, "The Innovator's Solution", "What Customers Want" describes a groundbreaking approach that improves on the conventional methods for product and service innovation.