Mal Booth, Director (Education & Research Services Unit) of UTS Library gave a talk this morning about social media for Researchers. In true social media style, you can find Mal's presentation below - embedded directly into the page.
Vodcast: Now available to download! 
Mal has close to 50 social media resources for research week bookmarked in his Diigo account, along with a description of each one. If you click on the title of each bookmark it will take you to a screen that looks a little something like this:
If you become a member of Diigo, you can add comments in this section for everyone else to read.
Remember that the library as just started running Connect and go global and Collaborative tools workshops that provide hands on training for Researchers.