The document discusses how social networking tools can be used for historical research. It provides examples of blogs, websites, and tools that historians can use to share research, engage in discussions, tag and geotag photographs and other media, create bibliographies and organize references. These include sites like Flickr, YouTube, LibraryThing, CiteULike, Delicious and Zotero, which allow users to tag, comment on and organize various research materials. The presentation highlights how Web 2.0 enables new ways for historians to collaborate, discover sources and engage with their field of study.