For over three decades, Ray Kurzweil has been one of the
most respected and provocative advocates of the role of
technology in our future. In his classic The Age of
Spiritual Machines, he argued that computers would soon
rival the full range of human intelligence at its best. Now
he examines the next step in this inexorable evolutionary
process: the union of human and machine, in which the
knowledge and skills embedded in our brains will be combined
with the vastly greater capacity, speed, and
knowledge-sharing ability of our creations.