Michele Berner's List: Twitter

www.itpro.co.uk/...3 twitter social networking

www.thecleversheep.com twitter twitterforteachers social networking

gr8tweets.wikispaces.com/Gr8t+links gr8tweets twitter

twitter4pd.wikispaces.com/r+for+Professional+Development twitter professional_development PLN PD

tweetake.com twitter tweetake tools twitter tools backup web2.0

www.twellow.com Twitter search directory web2.0 twellow mashup

wefollow.com/top twitter search twitter directory