By Ralph Nader Mountain View, California â" An invitation to visit Googleâs headquarters and meet some of the people who made this ten year old giant that is giving Microsoft the nervies has to start with wonder. The âcampusâ keeps spreading with the growth of Google into more and more fields, even though advertising revenue still comprises over 90 percent of its total revenues. The company wants to âchange the world,â make all information digital and accessible through Google. Its company