Yesterday, we had the group project presentations in my summer course. We had 6 groups. Here are some of the resources, tools and bibliographies they created while looking at social tools in libraries!
Flickr Group: http://del.icio.us/lis753flickr
Podcast group: http://podcast753.pbwiki.com/AllPages
Social networking: Download PDF of their PPT!
Wikis group: http://lis753wiki.pbwiki.com/