AP - "Googled: The End of the World as We Know It" (The Penguin Press, 336 pages, $25.95), by Ken Auletta. Google is best understood in terms of billions. Three billion searches are conducted daily on the site. Company revenues last year exceeded $22 billion. It spent $1.76 billion for YouTube and $3.2 billion for the digital ad company DoubleClick.More...