3. They know where the book is that “is about the thing, when the guy did … , you know, the one my friend read”.

2. Who else knows the Dewey Decimal System so well?
1. They ARE the original “search engine”

Seriously though, there’s a good post you should all read over at The Other Librarian about the Top-ten Library 2.0 “No-brainers” for Public Libraries. I’ve taken the liberty of striking out the word “Public” here because I don’t think the post really differentiates between public and school libraries (other than using the word in the title, that is.)