Khan Academy had hundreds of thousands of regular users by 2009
Sal Khan · Khan Academy: Sal Khan · Sep 21, 2020 · at 42:58
Sal Khan describes Khan Academy's early growth and user adoption milestones before he committed to running it full-time.
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“By fall of 2009, there were several 100,000 folks who were using The stuff I was making on a regular basis.”
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