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Khan Academy: Learn Everything, Online

Founder Sal Khan said he developed his YouTube lessons from tutoring his relatives.
04:59 | 01/03/2013

Transcript for Khan Academy: Learn Everything, Online

new york city with bill weir. First the record stores, then crowds at the lie brabrary, and now you have to wonder if physical classrooms could become another casualty of the internet age. If kahn... See More
This transcript has been automatically generated and may not be 100% accurate.
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