Andy Sernovitz, author of Word of Mouth Marketing (published by Greenleaf Group Press in 2012), is the leader of the "word of mouth movement," which teaches companies to earn the respect and recommendations of their customers. He runs socialmedia.org, the community for social media leaders and the world's greatest brands, and WordofMouth.org, where marketers and entrepreneurs learn to be great at word of mouth marketing. Andy has taught word of mouth marketing at Northwestern University and Internet entrepreneurship at the Wharton School of Business. He is founder of the Word of Mouth Marketin...