But one still needs the node, and one still needs to understand how networks function. This is one of the fundamentals of engagement marketing. Without it one is just dumb.
So here is a map of a social network
One interesting problem in social networks is to identify the various roles of people. Some people forward information between communities, others are the central players in communities and some are peripheral persons with only a small social network.
Indeed, and it is this deep insight into how social networks ebb and flow that will become the intelligence by which marketing will transform itself into a highly efficient process.
People need brands and brands need people, the skill is to to enable the right brands and the right people to meet at a point where they need each other the most.