Renowned playwright George Bernard Shaw once said The reasonable man adapts himself to the world, the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. By this definition, some of today's entrepreneurs are decidedly unreasonable--and have even been dubbed crazy. Yet as John Elkington and Pamela Hartigan argue in iThe Power of Unreasonable Peoplei, our very future may hinge on their work. pThrough vivid stories, the authors identify the highly unconventional entrepreneurs who are solving some of the world's most pressing economic, social, and environmental problems. They also show how these pioneers are disrupting existing industries, value chains, and business models--and in the process creating fast-growing markets around the world. pBy understanding these entrepreneurs' mindsets and strategies, you gain vital insights into future market opportunities for your own organization. Providing a first-hand, on-the-grou