Ben has written a superb article outlining the hows and whys of distributed social networks with hCard and XFN, finishing with an inspiring call to arms.
Liveblogged notes from a discussion I participated in at BarCamp Brighton 2 about Social Network Portability.
A nice summary of the technologies presented at my SXSW panel.
Chris interviews himself about portable social networks and distributed identity.
Brian's article on portable social networks is a clear and concise introduction to the subject with explanations of the technologies involved.
A new site to track the building blocks of portable social networks: OpenID, OAuth, hCard, XFN and more.
Portable social networks are no longer just theory: Dopplr makes it a reality.