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Jon Udell's Friday Podcast: "A conversation with Tim Fahlberg about mathcasts, clickers, and the future of education"
September 29, 2006:  Read and hear more   

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Dr. Louis Abrahamson's seminal paper "Teaching with Classroom Communication System - What it Involves and Why it Works" read by TextAloud with Kate16 voice.  MP3 version - 15 MB (in Internet Explorer: Right-click and choose Save Target As).  See Research to print this paper and find many others.