One of the cool things about Twitter is the way you quite simply stumble upon some absolute gems - this is a video from Phil Bradley (UK) http://youtu.be/HECUTJ-BCpY which I stumbled upon via a tweet from Aaron Tay which first sent me to The Infectious Library blog and then on to the YouTube link.
The gist of Phil's talk to CLIPWALES links 11 social media resources which libraries need to use more to 11 Dr Who regenerations. It's a great list, a great video, and an engaging way of remembering what we should be trying to do - going where the conversations are.