Directory of Professionals on Twitter
http://twitter4teachers.pbwiki.com/FrontPage
http://wefollow.com/
http://www.c4lpt.co.uk/socialmedia/edutwitter.html
http://spreadsheets.google.com/ccc?key=pM_ZE5BS0SgqDabnhl8Z2aA&hl=en

Cary's Favorite Tweeps
(You can follow Cary at charrod)
Angela Maiers-angelamaiers
Will Richardson-willrich45
Sheryl Nussbaum Beach-snbeach
Alec Couros-courosa
Dean Shareski-shareski
Chris Lehmann-chrislehmann
Kim Cofino-mscofino
Darren Kuropatwa-dkuropatwa
Lucy Gray-elemenous
Gary Stager-garystager *Disclaimer: Gary will ruffle your feathers but ultimately has really sound ideas about teaching and learning.
Jon Orech-jorech
Karl Fisch-karlfisch
Wendy Drexler-wendydrexler
Larry Ferlazzo-larryferlazzo

Celeste's Favorite Tweeps
(You can follow Celeste at celestehopkins)
Alan Levine - cogdog
Kathy Cassidy - kathycassidy
Kevin Jarrett - kjarrett
Meg Ormiston - megormi
Vicki Davis - coolcatteacher
Mr. Tweet - MrTweet - provides you with personalized recommendations of relevant people to check out!
Jo McLeay - jomcleay
Sylvia Martinez - smartinez
Kathy Schrock - kathyschock
Darren Draper - ddraper
Lisa Parisi - LParisi
George Siemens - gsiemens
Tom Barrett - tombarrett
Tim Stahmer - timstahmer
Ryan Bretag - ryanbretag


Other important apps
http://mashable.com/2008/05/24/14-more-twitter-tools/
http://www.tweetdeck.com/beta/
http://mashable.com/2009/01/30/twitter-people-directories/
http://www.techcrunch.com/2009/01/25/kevin-rose-10-ways-to-increase-your-twitter-followers/
http://www.joelheffner.com/twitterforteachers.pdf http://www.sciencebase.com/science-blog/100-scientific-twitter-friends for science teachers http://onceateacher.wordpress.com/2009/02/18/a-teachers-guide-to-twitter/
http://www.kapilbhatia.com/2009/03/07/how-to-become-twitter-teachertt-in-23-steps-or-less/
http://twitterforteachers.wetpaint.com/?t=anon
http://www.joelheffner.com/twitterforteachers.pdf
http://www.scribd.com/doc/14062777/Twitter-Handbook-for-Teachers
http://www.k-3teacherresources.com/teachers-guide-to-twitter.html
http://mashable.com/2009/05/31/twitter-tutorials-youtube/