At a recent Middle School meeting, there were some great questions about Twitter. A number of teachers requested a beginner’s guide. I hope this helps. Please email me with any questions.
YouTube Version
http://www.youtube.com/watch?v=S90-mqDu3l8&feature=youtu.be
SchoolTube Version
http://www.schooltube.com/video/84780058ccc142acb8ea/Twitter%20Starter