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Distributed social networking - where users can connect their profile, friends and other data across multiple sites - is still a relatively new concept and not fully developed. There are plenty of companies and projects vying to be a major piece of the distributed social networking puzzle. The big Internet companies have initiatives such as OpenSocial (Google), Facebook Connect , MySpace Data Availability , Yahoo! Open Strategy . There are also smaller company and open source projects such as DiSo and Noserub (we explain these below).
DSNP: Distributed Social Networking Protocol private. decentralized. scalable.