
Here is a list of the resources I have posted on Twitter recently:
Tech Tip - how to mask your email address -  http://trunc.it/5l6sb
Google Maps adds Lab features like aerial tilting view -  http://trunc.it/5icy2  
Tips on Using Google Buzz -  http://trunc.it/5hyxi  
Surf Dog promotes literacy in children of all ages.  http://www.surfdogsunsetbeach.com/
Online Tech Tips - Google Buzz -  http://trunc.it/5euvr
20 Free Apps for the Web 2.0 Student  http://bit.ly/ckzSvH - and some more -  http://trunc.it/5hfmc
Digital Textbooks - online resources to replace your textbooks -  http://trunc.it/5hue5
Blogs as a teaching tool - some ideas for teachers and examples - http://trunc.it/5gjeh
Resources and tips for Using TV in the classroom -  http://trunc.it/5jbpb
Evernote - note taking, web capture, image search & much more-great resource for getting organized-  http://trunc.it/5htym  
Aviary online graphics editors and web screen capture -  http://trunc.it/5dqbg  
Science Lesson Resources - some great material -  http://trunc.it/5hti2
Alternative to Microsoft Office - OpenOffice - now with improved performance -  http://trunc.it/5hq7g
Google Chrome Browser review and features -  http://trunc.it/5dozu
Tech Tip - are you being recorded in your classroom?  http://www.180techtips.com/100.htm
Great new Web 2.0 Resource from Discovery Education -  http://web2010.discoveryeducation.com 
Tech Tip - What Does "beta" mean -  http://www.180techtips.com/98.htm
Some great PowerPoint tips and resources:  http://goo.gl/SAbu ,  http://www.180techtips.com/99.htm
Enjoy.