Sal Khan: A reminder that all great things start small

Sal Khan started teaching algebra lessons to his cousins by uploading friendly, bite-size tutorials to YouTube. His channel now has hundreds of thousands of students visiting to learn about math, science, and other subjects. This video discusses some of the elements of the experience and why he thinks it might be working. All great stuff. However, what I am most reminded of is how big life-changing movements often start off as something that is simply small and useful. Add in a great heart and a bit of time and now you have something.

Sal Khan at Gel 2010 from Gel Conference on Vimeo.

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