The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful BusinessesAdvance Praise for THE LEAN STARTUP "Eric has created a science where previously there was only art. A must read for every serious entrepreneur and every manager interested in innovation." Marc Andreessen, cofounder of Andreessen Horowitz, Opsware Inc., and Netscape "This book should be mandatory reading for entrepreneurs, and the same goes for managers who want better entrepreneurial instincts. Ries's book is loaded with fascinating stories not to