In 1998, Larry Page and Sergey Brin, graduated from Stanford University, began to conduct academic research of Internet search, not the same understanding of the industry on the Internet search capabilities, they decided to file in the search results placement of factors, the filefrequency in other pages, and the credibility of these pages, the pages in the mass popularity and quality is the decisive factor. A department counselor to introduce them to the Sun co-founder Andreas Bechtolsheim, do a search for presentations, Bechtolsheim hear half of it is Google Inc. opened a $ 100,000 check. As of June 1999, Google via the the Sequoia investment firm, Kleiner Perkins Caufield & byers, Stanford University, and individual investors, total financing to $ 30 million in funding. Three months later, the Google Web site officially opened. 2000, Google to strengthen management, recruiting 49-year-old former Novell CEO Eric E. Schmidt, chairman. Google the most important revenue from licensing fees of more than 130 companies worldwide. Although Google "sponsored links", but depending on the category, the users input keywords appear, and clearly marked "advertisement", and separated from other search results. Wharton Professor David C Croson said Google virtue of the performance, not fancy search of its high level of quality, and high trustworthiness between users, can be used as a model for network industry. For users, a small precise information is more important than the hundreds of millions of data. Google using PageRank technology search pages including user keyword, then according to the long years of the pages in the network obtained votes to rank correlation. In other words, Google's technology is the use of the collective network intelligence to decide the importance of web pages, rather than rely on staff or editors to decide. Many websites will search for a location to sell, making is often not the most relevant pages of the search results appear, but the interests of the relationship between the client and the site, users will inevitably make the site suspected to deceive. Google can both thorough and accuracy of search, the search method is the secret to Google's success.