Here's a site that was referenced in my previous posting. It's the Friend of a Friend network.
It encourages people to create web sites that utilize the RDF format so that computers can interpret them more easily. In essence, it's a movement that is trying to create the Semantic Web.
It'll be interesting to see if this thing gains popularity.
Note: for you aspiring Talent Researchers out there, check out the FAQ section of the FOAF site. Did you catch the first section talking about what home pages might "typically" say? Very handy phrases for keyword searching! ;)