If you missed NPR's Talk of the Nation's February 27, 2006 program titled, If a Library Is Bookless, What's In It? be sure to listen.
Here's the description:
The "Bookless Library." Is it a contradiction in terms, or a sign of the times? Information technology changes as soon we think we understand it. With mammoth collections to maintain, libraries are struggling to keep up -- and to redefine their role.