Godin, Seth Unleashing the ideavirus ; stop marketing at people! turn your ideas into epidemics by helping your customers do the marketing for you / by Seth Godin ; with a foreword by Malcolm Gladwell - New York : Hyperion, c2001 - 234 p. : ill. 19 cm. ISBN: 0786887176 Subjects--Topical Terms: Word-of-mouth advertisingRelationship marketingMarketing Dewey Class. No.: 659.133 / G585U