In this paper, I discuss the way the free software movement is often described as the model of upcoming global social changes. Considering recent writings of Pekka Himanen, Yann Moulier Boutang, Antonio Negri and Michael Hardt, I show how the open model experienced by free software communities has inspired several theories in the fields of sociology, economy and philosophy. I then try to
... [Show full abstract] highlight some controversial aspects of these theories : faulty generalization of the example of free software, and failure to take into account the specificity of each part of our social life.