Friday, July 13, 2012: 6:00 pm (Nutt): The popularity of massive centralized services presents challenges for collective privacy, a full diversity of viewpoints, and customized online identities. Decentralized or federated services are gaining popularity as the answer for users concerned about the one-size-fits-all web. There is significant work to be done on both the technical and social aspects of federation. Deb Nicholson will discuss current alternatives, near to ready projects, and the ones we might want to start thinking about building.