Yahoo Embraces The Semantic Web - Expect The Internet To Organize Itself In A Hurry
Not sure where this is capable of being gamed - but I'm sure there is some room down the road. I know lots of folks are already spamming places like twine but it might be a good time to start looking into microformats and other fun stuff like rdf.
Since I don't know crap about either - don't use twine or anything like it - i'd love to hear some more. My brief look into microformats
Microformats seems to lead me to think there is going to be more and more creative commons content out there.