Khan Academy
How I Built This with Guy Raz
Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
- Published
- December 8, 2025
- Duration
- 1h 18m
- Summary source
- description
- Last updated
- Jun 24, 2026
Discusses Khan Academy offers hundreds of free tutorials in fifty languages, and has 170 million monthly globa…
Summary
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 cousins do math homework over the compu…
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Show notes
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 cousins do math homework over the computer. When he started posting his tutorials on Youtube, the world took notice. You will learn: Not just cat videos: How Sal discovered the early