How do these four antagonisms relate to each other? There is a qualitative difference between the gap that separates the Excluded from the Included and the other three antagonisms, which designate three domains of what Hardt and Negri call “commons,” the shared substance of our social being whose privatization is a violent act which should also be resisted with violent means, if necessary:

the commons of culture, the immediately socialized forms of “cognitive” capital, primarily language, our means of communication and education (if Bill Gates were to be allowed monopoly, we would have reached the absurd situation in which a private individual would have literally owned the software texture our basic network of communication), but also the shared infrastructure of public transport, electricity, post, etc.; the commons of external nature threatened by pollution and exploitation (from oil to forests and natural habitat itself); the commons of internal nature (the biogenetic inheritance of humanity).

What all these struggles share is the awareness of the destructive potentials, up to the self-annihilation of humanity itself, if the capitalist logic of enclosing these commons is allowed a free run. It is this reference to “commons” which justifies the resuscitation of the notion of Communism - or, to quote Alain Badiou:
The communist hypothesis remains the good one, I do not see any other. If we have to abandon this hypothesis, then it is no longer worth doing anything at all in the field of collective action. Without the horizon of communism, without this Idea, there is nothing in the historical and political becoming of any interest to a philosopher.
Let everyone bother about his own affairs, and let us stop talking about it. In this case, the rat-man is right, as is, by the way, the case with some ex-communists who are either avid of their rents or who lost courage. However, to hold on to the Idea, to the existence of this hypothesis, does not mean that we should retain its first form of
presentation which was centered on property and State. In fact, what is imposed on us as a task, even as a philosophical obligation, is to help a new mode of existence of the hypothesis to deploy itself.
So where do we stand today with regard to communism?