A system including an object-oriented programming language for building state-based applications with flow control, event loops, measures of similarity, and Boolean logic to dynamically control the interaction between members in a social network around content and, in particular, project-based activities, where the system collects and groups individuals who are members of a social network, projects or assignments and their content, and activities or processes within projects based on the attributes of the objects and runtime events to create a social context for learning or for other interaction.