Noted. Terry is an old colleague of mine (and Nelson Minar's) from Santa Fe

"The value-added for Google is to place the electronic ad with the most influential person(s) in the network. Pharmaceutical firms have been doing social network analysis within physician networks since the mid-1960s. Big Pharma has always recruited the most influential doctors to suggest brand new drugs to other doctors in their social circle. And, companies like Visible Path have been selling social network discovery to clients for many years.

So, what makes this Google patent novel and non-obvious???"