Seth Godin is a bestselling author, entrepreneur, and agent of change. His recent books, which have graced the New York Times, Business Week, and Wall Street Journal bestseller lists, include Tribes, Purple Cow, The Dip, and All Marketers Are Liars. Seth was founder and CEO of Yoyodyne, the industry’s leading interactive direct marketing company, which Yahoo! acquired in late 1998. He holds an MBA from Stanford, and was called “the Ultimate Entrepreneur for the Information Age” by Business Week.