25 Useful Social Networking Tools for Librarians By Jessica Hupp http://www.collegedegree.com/library/financial-aid/25-useful-social-networking-tools-for-librarians
"As a librarian, you want to be able to share information with patrons and students in the easiest way possible, and social networking offers a great way to do just that. With social networking tools, you can create bookmark collections, share notices, and more. We've profiled 25 of the best here."
Mmm. I still find it hard to believe that twitter can be useful. For one thing, it has a character limit, so it's not like it's of much use for blogging. Two, I think it's easy to get distracted. If you want to have a e-convo with staff, why not just use IM?