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A quarterly magazine featuring commentaries, interviews, predictions, book recommendations, and much more, all from the world’s leading thinkers. Scroll down to view the full archive.

  • To commemorate its founding 25 years ago, PS is republishing a selection of commentaries written since 1994. In the following commentary from 2012, Bill Gates said the spread of transformative digital technologies in Africa was finally gaining momentum. 

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    gates1_ONY KARUMBAAFPGetty Images_mpesa kenya Ony Karumba/AFP/Getty Images

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