I think there are a lot of people (including me) who have been thinking of implementing something like this:

www.decafbad.com/blog/geek/syndicated_whuffie.phtml

I’m really looking forward to the day when this bubbles up to the top of the right person’s priority list, and enough people start using it to make it valuable.

I’m especially interested in the relevance (see LatentSemanticIndexing) idea.

With the combination of these kinds of shifts and the proliferation of P2P and wireless technologies, I’m betting (and hoping) that the way I’ll be using the web by the end of 2004 will be very different than the way I use it now.