The free-for-all creation of tribes is sometimes inefficient and
duplicitous, but it really doesn't matter when you have your friends'
interests to go by. Just like you can't devise a perfect taxonomy for
music, you can't devise a perfect taxonomy for social groups or
interests, especially when you're dealing with a lot of people who are
trying very hard to not be mainstream.
Here's something that might interest you if you're a Canadian graduate student (or about to become one) and would like to do part of your research work at the National Research Council.
For instance, if you're into web-based knowledge sharing, syndication, social
software and all that, it could be a nice opportunity to
collaborate with Stephen, myself and
the others in our group while earning a bit of extra money. The
competition opens in March. Send me email if you want to talk about it.