5 Free Ways to Never Miss a Twitter @Reply- from Mashable
8 Videos to Help Teachers Get Started with Twitter- written by David Wees
25 Important Twitter Guides and Apps for Teachers- excellent listing!
The Beginner's Guide to Twitter- written by Michael Hyatt, this is a "20 minute guide to Twitter for non-techies."
Connect by Microblogging- from Shelly Terrell
Educators on Twitter- spreadsheet on GoogleDocs; add your name
FLLWRS- keep track of who follows you or unfollows you on Twitter
Hootsuite- social media dashboard
A Teacher's Guide to Twitter-written by former science teacher Kate Klingensmith
Seven Ways to Find Teachers on Twitter-learn about new resources and exchange ideas about teaching; from Free Tech for Teachers Richard Byrne
Tips and Tools to Manage Your Twitter Time- Shelly Terrell
TweetDeck- manages tweets
Twibes- group of Twitter users with the same interest in a particular topic
Twishort- write more than 140 characters on Twitter
Twitter as an Interactive Newspaper for Teachers
Twitter4teachers Wiki-connect with teachers in your subject area
Twitter4teachers Wiki-connect with teachers in your subject area
A Twitteraholic's Guide to Tweets, Hashtags and All Things Twitter- from Sue Waters, the Edublogger
Twitter Chat Tools- list of 5
Twitter Handbook for Teachers- written by Tomaz Lasic
Twitter Lessons in 140 Characters or Less- from Education Week
TwitterU- wikispace which lists some Twitter hashtags
Twittonary- Twitter dictionary
Using Twitter in the Classroom- written by Michael Zimmer, whose blog is The Pursuit of Technology Integration Happiness.