"Traditionally, we went to school to attain knowledge. The smart kids knew that Columbus discovered America in 1492 and that the square root of 64 is eight. They studied diligently at home so that when the teacher asked a question they could shoot their hand up and be praised for their good work.
Today, however, teenagers carry far more information and computing power in their pockets than would ever fit in their heads. So the ability to retain knowledge and manipulate numbers with facility has become, to a large extent, outdated skills. So kids today need to learn how to understand systems and solve problems.
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