"Who is the greatest salesman in the world? Your customers - the people who are buying your games. By now, we all understand the power of word-of-mouth marketing. Countless articles have been written and dozens of successful companies have emerged, all touting the magic in marketing via your customers. Is it myth of magic?" HypeCouncil's Scott Meldrum continues his series on game marketing with a look at the importance of using gamers as salesmen.