If you aren't familiar with K12 Online, here's the description from their site:
The K-12 Online Conference invites participation from educators around the world interested in innovative ways Web 2.0 tools and technologies can be used to improve learning. This FREE conference is run by volunteers and open to everyone. The 2009 conference theme is “Bridging the Divide.” This year’s conference begins with a pre-conference keynote by classroom teacher and international educator Kim Cofino the week of November 30, 2009. The following two weeks, December 7-11 and December 14-17, over fifty presentations will be posted online to our conference blog and our conference Ning for participants to view, download, and discuss. Live Events in the form of three “Fireside Chats” are listed on the events page of our conference Ning and Facebook fan page, and live events will continue in 2010 through twice-monthly “K-12 Online Echo” webcasts on EdTechTalk. Everyone is encouraged to participate in both live events during and after the conference as well as asynchronous conversations. Over 122 presentations from 2008, 2007, and 2006 are available, along with archived live events. Follow the K12 Online Conference on Twitter and Facebook!