Prolific inventor and outrageous visionary Ray Kurzweil explains in abundant, grounded detail why — by the 2020s — we will have reverse-engineered the human brain, and nanobots will be operating your consciousness. Kurzweil draws on years of research to show the speed at which technology is evolving, and projects forward into an almost unthinkable future to outline the ways we’ll use technology to augment our own capabilities, forever blurring the lines between human and machine.