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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.

Itís total 49 slides. This lecture is divided into two parts for the readerís 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.