12th on 21 interesting Facts About Google: Google earns US$20 billion a year from advertising, more than the primetime revenues of CBS, NBC, ABC, and FOX combined.
…Google engineers start from an assumption that the old ways of doing things can be improved and made more efficient, an approach that has yielded remarkable results? Google will generate about $20 billion in advertising revenues this year, or more than the combined prime-time ad revenues of CBS, NBC, ABC, and FOX…
Googled The End of the World As We Know It – By Ken Auletta