Announcing the World Wide Web Foundation. Tim Berners-Lee is the founder.
The World Wide Web Foundation seeks to advance One Web that is free and open, to expand the Web’s capability and robustness, and to extend the Web’s benefits to all people on the planet. The Web Foundation brings together business leaders, technology innovators, academia, government, NGOs, and experts in many fields to tackle challenges that, like the Web, are global in scale.
Edmodo: Microblogging for Education. Here’s where I heard about it: Edmodo: Microblogging for the Classroom. You can see an screen shot of what one teacher did for her class in that article.