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A Tech-Fueled Approach to Collective Problem Solving

The optimal use of collective intelligence enables bottom-up decisions.

There are more people learning foreign languages on the Duolingo platform than there are people learning foreign languages in the whole U.S. public school system. Designed by Carnegie Mellon professor Luis von Ahn, DuoLingo has reduced the time it takes to achieve basic mastery of a foreign language to 34 hours, earning it 200 million active users […]