Give Your Fans the Power to Speak Up This ebook comes in three editions: Companies Non-Profits Politics This is the Companies edition. If you want one of the other editions, click above. By Seth Godin Seth is the author of more than seven books that have been bestsellers around the world. His books include Purple Cow and All Marketers Are Liars. He was the founder of Yoyodyne, the Net’s first direct marketer, and was formerly VP of Direct Marketing at Yahoo! His new gig is called Squidoo.