collaborative mindmap site - very cool. Limited tools in free version, and only allowed a few maps. But right now you can get a edupersonal year for $30 which I think is well worth it. It is a very cool tool
Second, students need to be able to use the technology
Third, technology must be relevant and interactive to the coursework
Fourth, technology must be used for a practical purpose—that is, taking the fundamentals and technology learned over a semester and applying it to a final project, where creativity and uniqueness is required and rewarded