The World in 2030

You don’t generally think of Bill and Melinda Gates as pundits. But with their foundation pouring billions of dollars into global development, in effect the two are in the (highly data-driven) prediction business: placing bets on which investments will change the world the most. In their annual letter, released today, the two hazard some fairly specific guesses about the biggest changes in the world over the next 15 years, from cutting the number of childhood deaths in half and reducing...

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