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A comment on Khan Academy Triples Unique Users To 3.5 Million. Parent comment

Re:Khan Academy Triples Unique Users To 3.5 Million by pixcavator on Thursday October 20, 2011 @08:42AM (#3134530)
Non profit != no charge
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Re:Khan Academy Triples Unique Users To 3.5 Million by spicyj on Thursday October 20, 2011 @10:50AM (#3135073)
Note the "free world-class education".
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