Word of mouth is one of the oldest forms of marketing there is. It\u2019s also the most effective. But in today\u2019s world, when customers are other companies, what is it really worth? And how are B2B businesses making the most of it? Read this full article and many more at http://blog.chartmogul.com. Narrated by Annie Musgrove Produced by Ed Shelley & Annie Musgrove Music by Podington Bear