An IATEFL conference presentation where he explains a bit about what he does - makes videos to train ESL teachers to use lots of Web 2.0 tools - and describes his website which you should really explore!! Lots of (always) free videos to teach you about using tech for teaching.
http://www.teachertrainingvideos.com
Thanks for sharing Russell, as a staff developer I'm always looking for ways to make what I'm saying 'come to life'. Videos are the best way I have found to make what I'm saying authentic.
He says he will help you make the most of Twitter by using an application called TweetDeck. He explains how to use TweetDeck in this video tutorial, part 1. Link to Part 2 included.