David Kirkpatrick is the author of The Facebook Effect and an organizer of the Techonomy conference. Previously, he was the senior editor for internet and technology at Fortune Magazine. He specialized in the computer and technology industries, as well as in the impact of the Internet on business and society. He thinks that impact is huge. His book, The Facebook Effect, about Facebook’s history and how it is changing behaviors across societies worldwide, was recently published. He maintains a blog at facebook.com/thefacebookeffect.