The bestselling author of imagines a world in which decades of technological advances have been suppressed in an effort to prevent disruptive change. Are smart phones Really Humanity's most significant innovation since t...The bestselling author of imagines a world in which decades of technological advances have been suppressed in an effort to prevent disruptive change. Are smart phones Really Humanity's most significant innovation since the moon landings? Or can something else explain why the bold visions of the 20th century--fusion power, genetic enhancements, artificial intelligence, cures for common disease, extended human life, and a host of other world-changing advances--have remained beyond our grasp?