FOAF

Phil Wilson's thoughts on Jabber, FOAF, RDF and peer-to-peer social networking
"The key to successful networks, and online networks in particular is that they require an object to connect them."
My rubhub.com XFN relationship listing
Not currently up to date.
rubhub.com, an XFN Relationship Lookup Engine
Experimenting with XFN again. Yeah, yeah, I should be using FOAF. But XFN is easy.