Some great resources to get you started...

The number of online tools available can be quite overwhelming.  Where do you start? 

If you want a great site that categorizes many 21st century online applications, you can check out Jane Hart's extensive directory of over 2400 tools for learning.  Additionally, Jane has compiled a list of the top 100 learning tools voted by the people that use them.

Want a self-guided learning journey?  Check out  Alec Couros' modified course for K-12 teachers.


Edutopia  the George Lucas educational foundation

Other Resources

Web 2.0 Tutorials...
“Common Craft” productions: Lee LeFever's productions are comprehensive and sure to get you off on the right start...

http://www.commoncraft.com/Twitter
http://www.commoncraft.com/photosharing
http://www.commoncraft.com/bookmarking-plain-english
http://www.commoncraft.com/video-social-networking
http://www.commoncraft.com/video-wikis-plain-english
http://www.commoncraft.com/rss_show
http://www.commoncraft.com/blogs
http://www.commoncraft.com/video-googledocs
http://www.commoncraft.com/mylocation
http://www.commoncraft.com/wetpaint
Their most recent videos...