New book goes inside Google's ad programs
Google has revolutionized the advertising business with its AdSense and AdWords programs. AdWords allows individuals or companies to place ads on Web sites when Internet users search on certain words. With AdSense, Webmasters and bloggers can make a little money by allowing Google to place ads on their sites. AdSense ads are contextual: A blog about golf will result in golf-related ads.
Harold Davis, author of the new book Google Advertising Tools, says about 45 percent of Google's revenues come from these programs.
