Many interesting things in there including:
I would say that (our book) is the first to focus on the how and why of why business people should blog(...)And above all:
PR practitioners are in a change or die situation. Many of them—like Neville Hobson, Richard Edelman and Steve Rubel—are poster children for a new PR where the practice is to facilitate rather than keep secure the gate. Many others remain clueless, and I see a future for them in the restaurant service industry.
Our book actually ends by saying that blogs are just a tool...I don't know about the promo part. I'm really not sure about all of the examples of PR practionners. But I'm absolutely certain that last quote is right on the money.