some useful information

Education 2.0
http://www.pbs.org/wgbh/pages/frontline/digitalnation/learning/schools/education-20.html?play

Word clouds
www.wordle.net

Listening/video/ resource
http://www.elllo.org/
http://www.boxoftricks.net/

Testing
http://www.learn4good.com/languages/english_level.htm
http://www.englishjet.com/english_courses_files/test_level.asp
http://speaking24.com/test.php
http://languagelevel.com/

Audio programmes
Odeo: http://odeo.com/
Chinswing: http://www.chinswing.com/
Skype: http://www.skype.com/intl/en-gb/
Listen and Write: http://www.listen-and-write.com/
Podomatic: http://www.podomatic.com/home
Vaestro: http://vaestro.com/
Google Talk: http://www.google.com/talk/intl/en-GB/
Howjsay: http://www.howjsay.com/
G cast: http://www.gcast.com
Voicethread: http://voicethread.com/
Tokbox: http://www.tokbox.com
Forvo: http://forvo.com/

Visuals
www.nationalgeographic.com
www.flickr.com