Another potential tool to use with your students. It's like twitter in that it is a microblogging tool, but is meant solely for educators and students. You create an account and a group that your students join. I don't know how to use it yet but it does seem to have potential.
Anytime you have students using the internet for research then you 'should' be teaching about copyright. It is something that we as teachers often ignore, but it's an important lesson to learn and to share with our students. This is a recorded presentation by Wes Fryer. Worth a listen, some simple applicable points that you can immediately incorporate into your classroom.
"In our district, especially at high school, students have a cellphone on them at all times, just like a pencil—it's an underused tool,"I like this quote because it's about possibilities. Later in the article the appropriate use policies are discussed and understood in light of this approach. Cell phones (like calculators) are here to stay, how can we maximize what we want to do through cell phone use?