Manuel Castells is one of the world's leading thinkers on the new information age, hailed by The Economist as "the first significant philosopher of cyberspace," and by Christian Science Monitor as "a pioneer who has hacked out a logical, well-documented, and coherent picture of early 21st century civilization, even as it rockets forward largely in a blur." Now, in The Internet Galaxy, this brilliantly insightful writer speculates on how the Internet...