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      Scientific American January 1999

      THE NET EFFECT

      The Internet can be a powerful tool for political dissidents and "hacktivists." But the medium has yet to reach the grassroots level

      • By Alden M. Hayashi on January 1, 1999

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      More in the January 1999 issue of Scientific American
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      • Revolution in Cosmology
      • To Save a Salmon
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