The Seven Principles of WOM and Buzz MarketingWhy are word of mouth campaigns effective for some products, while failing for others? Which group of consumers should be the target of viral marketing efforts, and how can you turn word of mouth into buzz? Panos Mourdoukoutas and George J Siomkos provide the answers! The transformation of a desire for a product into an "epidemic" was, is and will always be the dream of each and every marketer. For some marketers this dream becomes reality. For others