Word frequencies after removing common words

In taking the Coursera class on Mining Massive Datasets, the problem of computing word frequency for very large documents came up. I wanted some convenient tools for breaking documents into streams of

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XKCD 1277: Ayn Rand and Regular Expressions

Randall Munroe of XKCD is brilliant, today’s comic is no exception: {%img http://imgs.xkcd.com/comics/ayn_random.png %} While the Ayn Rand joke is amusing, the real clever joke in the alt text (

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