Sal Khan’s Big Idea – Video

Posted: May 13, 2013 at 5:44 am


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Sal Khan #39;s Big Idea
Sal Khan #39;s experiment tutoring his cousins has turned into an online education revolution.

By: CBCTheNational

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Sal Khan's Big Idea - Video

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May 13th, 2013 at 5:44 am

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