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PREFACE
i he world has been Googled. We don't search for information, we "Google" it. Type a question in the Google search box, as do more than 70 percent of all searchers worldwide, and in about a half second answers appear. Want to find an episode of Charlie Rose you missed, or a funny video made by some guy of his three-year-old daughter's brilliant ninety-second synopsis of Star Wars: Episode /V? Google's YouTube, with ninety million unique visitors in March 2009—two-thirds of all Web video traffic—has it. Want to place an online ad? Google's DoubleClick is the foremost digital advertisinig services company Google's advertising re^y-enues—more than twenty billion dollars a year—account for 40 percent of all the advertising dollars spent online. In turn, Google pumps ad dollars into tens of thousands of Web sites, bringing both traffic and commerce to them. Want to read a newspaper or magazine story from anywhere in the world? Google News aggregates twenty-five thousand ^ews sites daily Looking for an out-of-print book or a scholarly journal? Google is seeking to make almost every book ever published available in digitized form. Schools in impoverished nations that are without textbooks can now retrieve knowledge for free. "The Internet," said Google's chief econonHs^ Hal Varian, "makes information available. Google makes information accessible."