When combined with the free online textbooks at sites like Textbook Revolution and TextBooksFree, plus other course books from Google Books, World Public Library, and Project Guttenberg, M.

FORBES: Free Education Is A Meme Whose Time Has Come

Those dimes from the keyword ads pay for Google's project to put millions of library books online.

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Google thought so, too, and designed the books project accordingly.

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The much-heralded project called Google Print would provide free online copies of out-of-copyright books and newer books still protected by copyrights, making them searchable with snippets of text available online.

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