Technology in Special Education

I am a college student pursuing a degree in Special Education and was wondering if anyone had ideas for using Web 2.0 technology with students with varying degrees of ability. I have enjoyed reading posting about the types of technology that exists and have thought of several ways that I could adapt it for my future students. Part of the challenge is the realization that the students in my class will likely deal with a variety of special needs and that any type of technology used for assignments would need to be accessible for multiple skill levels. If you have any ideas or examples to share they would be greatly appreciated!