Google Inc., founded on September 4, 1998 by Larry Page and Sergey Brin, is recognized as the world's largest search engine company. Google is a multinational technology company located in the United States, its business includes Internet search, cloud computing, advertising technology, etc., while developing and providing a large number of Internet-based products and services, its main profit from AdWords and other advertising services. Google's business is mainly for Internet search, cloud computing, advertising technology, development and provision of a large number of Internet-based products and services, development of online software, application software, but also involved in mobile devices Android operating system and Google ChromeOS operating system development.