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gwern
on Oct 19, 2011
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Khan Academy Triples Unique Users To 3.5 Million
Yes, but hopefully KA will get its spaced repetition (
http://www.gwern.net/Spaced%20repetition
) efforts going at some point, while most users are still there.
Join us for
AI Startup School
this June 16-17 in San Francisco!
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