Detailed text transcripts for TV channel - FOXNEWS - 20130902:02:53:00
>> it taught me a lot of things. >> five years ago hedge fund analyst sal kahn created a website to tutor a cousin. >> that worked out well. i kept doing the lecture over and over again. he said, hey, sal, why don't you put some of your lectures on a website. >> soon thousands watched his lectures. >> i started getting letters from people. they're not like, hey, i think this kind of might have helped on my math exam. i got -- i failed calculus the first time. i started watching the videos. now i'm acing the class. >> the youtube numbers kept rising. he got letters from the middle east and afri...
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