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This lecture is based on the keynote speech at the Japanese Association of Computer Science (JACS)  in October 28th in Tokyo, Japan.

It�s total 49 slides. This lecture is divided into two parts for the reader�s convenience: one for the first 25 slides with the Supercourse overview and the Open Source model and the other for the rest with the Digital Divide and the Supercourse development & utilization.