Twitter Info and How-tos
(source: Sharon Scinicariello, University of Richmond [s_scinicariello@earthlink.net], published in the AATF National Bulletin Vol 33 No 3 January 2008.)

Getting Started
Twitter: [http://twitter.com]
Newbie’s Guide to Twitter by Rafe Needleman: [http://www.webware.com/8301-1_109-9697867-2.html]

Twitter Clients
Twitbin:[http://twitbin.com/] (for FireFox)
Twitterfox: [http://www.naan.net/trac/wiki/TwitterFox] (for FireFox)
Twitterrific: [http://iconfactory.com/software/twitterrific/] (Mac only)
Twitteroo: [http://rareedge.com/twitteroo/] (PC only)
Snitter: [http://snook.ca/snitter/] (cross-platform)
PocketTweets: [http://www.pockettweets.com/] (iPhone)
Twitterbox: [http://ordinalmalaprop.com/twitter/] (for SecondLife)
How to Twitter from Skype: [http://www.pacificit.ca/article/319]

Twitter Clones in French
Frazr: [http://www.frazr.com/fr/]
Noumba: [http://noumba.net/]

Twitter Tools
TwitterCamp: [http://www.danieldura.com/code/twittercamp/]
TwitterGram: [http://www.twittergram.com/]
TwitterSearch: [http://www.google.com/coop/cse?cx=004053080137224009376%3Aicdh3tsqkzy]
TwitDir: [http://www.twitdir.com]

TwitterResources
Twitter Fan Wiki: [http://twitter.pbwiki.com/]
Twitter Facts: [http://twitterfacts.blogspot.com/]
Twitter Fan Club (FR): [http://www.wikiservice.at/fractal/wikidev.cgi?FR/TwitterFanClub]
Toute la vérité sur Twitter 1: [http://www.webdeux.info/toute-la-verite-sur-twitter-1]
Toute la vérité sur Twitter 2: [http://www.webdeux.info/toute-la-verite-twitter-deuxieme-partie]

Similar Tools
Pownce: [http://www.pownce.com/]
Jaiku: [http://jaiku.com/channel]
Tumblr: [http://www.tumblr.com]

References:
“Why everyone’s talking about Twitter.” Anita Hamilton Time, March 27, 2007
http://www.time.com/time/printout/0,8816,1603637,00.html

The Hyperconnected.” Lev Grossman. Time, April 5, 2007. http://www.time.com/time/magazine/article/0,9171,1607260,00.html

Twitter: Is Brevity the Next Big Thing?” Steven Levy. Newsweek, April 9, 2007.
http://www.newsweek.com/id/35289

“Seven Things You Should Know About Twitter.” Educause Learning Initiative Document ID: EL17027.
http://connect.educause.edu/library/abstract/7ThingsYouShouldKnow/44762