15. The system of claim 14 , wherein the advertising targeting application further directs the processor to generate an advertising strategy for each of the member groups based on the connectedness of a member group and the predicted interest level.
15. The system of claim 14 , wherein the advertising targeting application further directs the processor to generate an advertising strategy for each of the member groups based on the connectedness of a member group and the predicted interest level. 17. The system of claim 15 , wherein the connectedness of a member group is a measure of the likelihood that a given member group will share a piece of advertising content with a second member group within the online social network.