Enter a problem, and a unique URL is created. Once shared with others, a group can collaborate by adding questions, comments, solutions, etc. Very easy to use and effective way to solve problems.
Really nice collaborative science site. Access resources, partake in discussions, set up virtual classroom spaces, connect to other teachers, scientists, etc.
"This site was created to serve as a collaborative, objective resource for educators and administrators who are committed to enhancing student achievement. We invite you to share your knowledge, ask questions, and get expert insight into the issues teachers face each day in the classroom."
Includes blog, resources, information and statistics on networks and their effectiveness.