I have discovered a rich repository of lecture slides on web 2.0 and Interactive media in general on SlideShare.net. Here is an example of an excellent slideshow targeting educators on the use of RSS, Blogging, and other Web 2.0 tools in the area of education.
One slide in particular that caught my attention was slide #11. Ever since I spent a year teaching in a school in the North coast of Honduras, I have kept an interest in philosophy of education, and teaching techniques.
Here is the whole presentation for your viewing: