No matter what type of library with which you are affiliated, you will find the Library 2.0: An Academic's Perspective blog , maintained by Laura B. Cohen, Web Support Librarian, University at Albany, SUNY of interest.
Get a feel for the blog from these entries:
A Librarian's 2.0 Manifesto  which is also online as a YouTube video 
Wikis, Collective Intelligence and Libraries 
My Space and Librarian Space 
A Place for Libraries on Facebook?