If you are at all interested in (1) helping your children or grandchildren to learn math OR (2) witnessing what the Internet can do for our minds, please take six minutes to watch this PBS story.
It's the story of Salman Khan, a 33-year-old former hedge fund analyst who walked away from his chosen profession to work out of his Silicon Valley, California home to create and post more than 1200 lessons in math and science--all at his own expense.
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