Ray Kurzweil is one of the world’s leading inventors, thinkers, and futurists. Called “the restless genius” by the Wall Street Journal and “the ultimate thinking machine” by Forbes magazine, Kurzweil’s ideas on the future have been touted by his many fans, who range from Bill Gates to Bill Clinton. Time magazine writes, “Kurzweil’s eclectic career and propensity of combining science with practical—often humanitarian—applications have inspired comparisons with Thomas Edison.” A recipient of the National Medal of Technology and an inductee in the National Inventors Hall of Fame, among many other honors, he is the author of three previous books: The Age of Spiritual Machines, The 10% Solution for a Healthy Life, and The Age of Intelligent Machines