Microsoft Peer-to-Peer.

Even Microsoft (according to ZDNet U.S.) would be developing its own system of P2P sistrubuzione controlled. Certainly not to circulate freely information and knowledge, but rather, on the one hand to facilitate the exchange of data within companies (saving on the cost of the server) and the other to engage Windows Media Player in the big cake of content distribution (music in particular) to be offered payment that could be carried by large content factories in the coming years.