Theoretical concepts useful for studying and understanding the relationships that occur in society in general, in social networks and the Internet. People are much more interconnected than ever before and communicate more, and it is interesting to know the laws that can explain certain social behaviours. The current great impact of networks is that they allow much more than communication but also enable decentralization and distribution of the tasks in a flexible form. In turn, this has important consequences for our individual and social behaviour. Some topics covered include exponential distributions (power law), rule 80/20, Matthew law or cumulative advantage, stigmergy, swarm effect, game theory, principle of least effort, collaboration and cooperation
