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

FORBES: The Google Industrial Complex

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

The internet behemoth's "Print Library Project" is an offshoot of "Google Print, " a program which publishers are not as vexed about--because work is used with permission.

FORBES: Schmidt's Google Sued Over Book Scanning Plans