"Social psychologists study interactions within groups, and between both groups and individuals."[1]
General types of interaction are: A) One to one B) Many to one C) One to many D) Many to many These interactions are illustrated here: http://en.wikipedia.org/wiki/File:Soc-psy_diagram.jpg The generalization of interpersonal interactions provides a broad perspective of the domain of human discourse. We can use this vantage point to organize our discussions regarding technological implementations and protocols in the context of the human social interactions which we aim to facilitate. The types of interpersonal interaction may also be a common sequence of social evolution. For example, a network (or Free Software project) may start with individual interactions and progress through stages of assimilation, reciprocality, and groupthink symbiosis. [1] http://en.wikipedia.org/wiki/Social_psychology_(psychology)#Interpersonal_attraction
