"Steroid" Scandal Rocks Major League Libraries, a satirical response to erosion of support for cataloging at the Library of Congress, by Daniel Cohen (December 14, 2007).

Brief blog entry comparing tagging and controlled vocab.

"tagging has brought metadata to the masses"  

Another "catalog your own collection" site, but with a multimedia approach.

Another "catalog your own collection" site, but with a multimedia approach.

article on museums' use of tagging to help users access images (community cataloging, they say)