How much can you trust buzz? - The Boston Globe

How much can you trust buzz? - The Boston Globe: "Critics can be so cruel. So Dave Balter, founder of the Boston-based marketing firm BzzAgent, thought it would be nice to have some nonpoisoned pens writing on his behalf when his book was published earlier this month. ''Grapevine: The New Art of Word-of-Mouth Marketing' is Balter's first book, and he wanted to give it every possible advantage. "