Common Craft creates short, simple videos to explain complex subjects in “plain English.”

The Educator’s PLN is a personal learning network for educators.

findingDulcinea A Web site that helps educators find credible Web resources

ICT in Education is a site for leaders and managers of educational ICT (information and communications technologies).

Pew Internet & American Life Project produces reports exploring the impact of the Internet on families, communities, work and home, daily life, education, health care, and civic and political life.

Sweet Search is a search engine for students.

WatchKnow is a resource for users and also a non-profit, online community that encourages everyone to collect, create, and share free, innovative, educational videos. The site, which features videos from National Geographic, YouTube and Google Videos among others, took more than 18 months to develop and has been endorsed by educators from schools including Harvard, Stanford, Brigham Young and more. WatchKnow.org is designed to complement and enhance the traditional learning experience for students as they study concepts that are traditionally hard to learn. 

Dede, C. Emerging Interactive Media: What to Use, When, and How. Harvard University professor Chris Dede gives a quick rundown in SlideShare of Web 2.0 technologies that are changing education.