by Ksssann, All Voices
Right now the Khan Academy offers almost 3500 tutorials, with topics ranging from calculus to art history and there are plans to expand the curriculum. But that doesn’t mean Khan is planning to alter the Academy’s signature stripped-down production, which usually consists of a black background, colored inks and a voice track. This accidental innovator is committed to keeping it simple — and keeping it free. And to date, with the Khan Academy clocking over 140 million views and counting, who can argue with him?
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