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pchristensen
on Sept 15, 2008
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Don't buy that textbook, download it for free
Richard Baraniuk of Connexions (mentioned in the article) talked at TED a while ago:
http://www.ted.com/index.php/talks/richard_baraniuk_on_open_...
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Search:
http://www.ted.com/index.php/talks/richard_baraniuk_on_open_...