how to use twitter by coolcatteacher
Aids for twitter
tweetscan real time twitter search and
convert website links to tinyurls
Pros and cons of twitterfrom my linkedin group
twitter as RSS feed

Fabulous post by rashkath on twitter and all tools relating to twitter
Tom Barrett on twitter
dswaters post on "Are You Twittering"
Why my twitter updates are protected
Top 10 twitter tipsfor higher education.
The twitter wiki and applications for twitter