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October 25, 2014

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Author and inventor Ray Kurzweil, 56, appears in front of words projected on a screen from his Internet site in his office, in Wellesley, Mass., Jan. 12, 2005.

AP

Author and inventor Ray Kurzweil, 56, appears in front of words projected on a screen from his Internet site in his office, in Wellesley, Mass., Jan. 12, 2005.