I was so impressed with all the presentations last week! I hope all of you were able to learn from each other and continue to try new techniques with your students.
I continue to be impressed with the collaboration features in Google Docs
http://www.google.com/educators/p_docs.html How Students and Teachers can use Google Docs --- Google Docs' sharing features enable you and your students to decide exactly who can access and edit documents. You'll find that Google Docs helps promote group work and peer editing skills, and that it helps to fulfill the stated goal of The National Council of Teachers of English, which espouses writing as a process and encourages multiple revisions and peer editing.
I have been using a wiki to pull information together for classes and recently explored Google Sites, an easy way to make information accessible, it appears to be google's solution to a wiki. I found a link on using Google for student portfolios Presentations (Google). How to create an electronic portfolio with Google Page Creator (by Dr. Helen Barrett) ... http://electronicportfolios.org/google/index.html