With Web 2.0 technology, students are exposed to multiple knowledge spaces in a single learning environment in contrast to the traditional classroom knowledge acquisition. Web 2.0 technology provides students a conversation space for elaborating ideas as well as for social negotiation and deliberation processes among Internet users. So, they have opportunities to criticize, correct and finally transform their concepts additionally accepted by the online community. The paper focuses on informal learning, where social networking plays an important role, however, problem of university education is much more complex. The rest of this paper is organized as follows: the paper starts form the discussion on heutagogy, which encourages to treat university as autopoietic organization. Next, the resource dependence theory is used for the explanation that university needs the external knowledge resources for its educational process realization and support. The most important part of the paper includes model of architecture of informal university learning. That activity is rather complex, therefore, mainly massive open online courses (MOOCs) are emphasized in the informal learning model, which is considered as supplement of informal learning.