Some links for you:

• Introduction to Social Media for Metapod Connect – Presentation from Pete Ashton about social media. Really useful and clear.
• City Brights: Howard Rheingold : Twitter Literacy (I refuse to make up a Twittery name for it) – "Twittermania is definitely sliding down the backlash slope of the hype cycle. It's not just the predictable wave of naysaying after the predictable waves of sliced-breadism and bandwagon-chasing. We're beginning to see some data. Nielsen recently noted that more than 60% of new Twitter users fail to return the following month."
• DigitalBritain Unconference: Nottingham unconference notes – Excellent set of notes from Nottingham's Digital Britain Unconference.