Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
Khan Academy offers hundreds of free tutorials in fifty languages, and has 170 million monthly global users. It all began in 2009 when Sal Khan walked away from a high-paying job to start a business that had no way of making money. His idea to launch a non-profit teaching platform was sparked while helping his young…
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