23 Things

This is probably old news, but I ran across this again the other day:

http://plcmcl2-things.blogspot.com/

This library provides an incentive for its staff to try out 2.0 stuff, which I thought was kind of cool.
It seems there are quite a few sites out there of the “Build Your Own List of Things to Learn.” Here is another with a bunch of links:
http://stephenslighthouse.sirsidynix.com/archives/2008/02/the_23_things_l.html