Recently I came across the Twitter for Teachers e-book collaborative effort, based in a wetpaint wiki. This project was started by Rodd Lucier (@thecleversheep) and has grown to include over 100 members in its first ten days of existence. The project is aimed at developing a Twitter reference for teachers at all levels would would like to get to know Twitter, what it can offer, and how to use it in the classroom. I was very excited to hear about this project, as I've been wishing we had a sort of clearinghouse for information on uses of twitter in education. I think this site has the potential to be a leading dynamic reference on the topic, and more importantly a collaborative hub for those interested in using twitter in educational settings.
Perhaps the coolest thing about this site (besides the important topic) is the collaborative atmosphere and nature. Within the first day of having joined, I felt welcomed to contribute to the structure of the e-book and to contribute to dialog about the project. Rodd is very active on Twitter and responsive to activity on the Twitter for Teachers site.
The best place to start exploring the site is the developing table of contents. In this space you can see the true collaborative nature of the project. Members suggest and make changes to the structure of the site, and head off to various pages linked from the table of contents to develop the actual content. Rodd has also provided some good information on how to contribute to the project, including videos on indexing yourself as a "twitterteacher" on delicious, and adding yourself to the project's Google map.
I encourage you the check out the site if you are a teacher interested in using twitter, whether you want to contribute or not. There is a quickly-growing wealth of information in this e-book.