In yet another case of the university library exploring the digital landscape, The University of Iowa Library has launched what is, to my limited knowledge, the first attempt to use crowdsourcing in their cataloging efforts. As explained on their website:
…About the project
DIY History lets you do it yourself to help make historic artifacts easier to use. Our digital library holds hundreds of thousands of items — much more than library staff could ever catalog alone, so we’re appealing to the public to help out by attaching text in the form of transcriptions, tags, and comments.