Better late than never, I’m posting a summary of Casey Bisson’s excellent presentation, “Designing an OPAC for Web 2.0,” at the Innovative Users Group on May 21. Bisson (Library Information Technologist, Plymouth State University) made a strong case for integrating libraries into the Web 2.0 world while also neatly summarizing the challenges we face in doing so. I wish every CEO of every integrated library system could have heard his talk. Before I get into the meat of the presentation, I’d like to point you to Bisson’s cool proof of concept — a library catalog built in WordPress. Check out WPopac at http://www.plymouth.edu/library/opac/. Now, back to the presentation… Bisson defined Web 2.0 as being not about technology but about a critical mass of people creating content online. This user-created content is what separates Web 2.0 from previous eras in web development. His presentation was intended to answer the question, “What…