Preacher Ben McConnell over at Church of the Customer points to statistics that indicate word of mouth marketing is the third largest budget item in a traditional marketing budget. Just like the Jeffersons in the old sitcom, it looks like this efficient, effective and credible category is movin' on up.
I imagine this is not good news for traditional advertisers. But don't worry, I will refrain from making and references to the restaurant service industry. We'll leave that to Rubel.