Time for New Classification System?

The character of legal information is changing in the fact that the breadth of what qualifies as legal information is changing. Just as librarians have struggled in the past with incorporating new formats into existing collections and classification schemes, we need now to be creative in figuring out how to capture, preserve and classify new mercurial formats such as podcasts, blogs and twitters.... The adjective "mercurial" only describes a fraction of the challenge....