This tool allows you to set up a personalized room for backchannel conversations. Perfect for workshnops or teachers that are looking to get a backchannel conversations going without the headache of a username/login, etc.
Ones I've seen are Pommie, but worthwhile. Useful to use for individual teachers or for discussion at a school PD. Huge variety of topics covering Across-the-school situations to specific subject areas
The Encyclopedia of Educational Technology (EET) is a collection of short multimedia articles on a variety of topics related to the fields of instructional design and education and training.
excellent Flash resource for examining the "Big 10" media corporations; discussing media control, media ownership, and awareness of who is controlling much of our 21st Century media landscape.