Anyone have experience with the bibliographic research tool Zotero? Anyone have an opinion on its utility? At the suggestion of another member, I have just downloaded it. It appears to be quite powerful, but I think there will be a learning curve involved here. I would appreciate any tips. It appears to be optimized for web research. Has anyone used it to store conventional reading and research from physical books? How well does that work? Which tool works best for conventional reading and research?