Social bookmarking tools like Diigo and LiveBinders allow users to organize, tag, and share web bookmarks and resources. These tools incorporate tagging capabilities that help describe items and allow them to be found through browsing or searching. Users can create accounts, make collections called binders or groups, add web links with tags, and share their collections with others. The document provides links and instructions for setting up accounts with Diigo or LiveBinders and demonstrates how to use their features to annotate, archive, organize, and share information online.