Twitter

 ** Twitter- **  
 *  [|http://www.youtube.com/watch?v=ddO9idmax0o&eurl=http://practicaltheory.org/serendipity/index.php?/archives/946-Twitter-In-Plain-English.html]  This link is a You Tube video explaining what twitter is.
 *  http://net.educause.edu/ir/library/pdf/ELI7027.pdf "7 Things to know about Twitter.