“As more and more work is done by machines, people can spend more time on other activities. Not just leisure and amusements, but also on the deeper satisfactions that come from invention and exploration, from creativity and building, and from love, friendship, and community. ... If the first machine age helped unlock the forces of energy trapped in chemical bonds to reshape the physical world, the real promise of the second machine age is to help unleash the power of human ingenuity.”