Google Inc. is an American public corporation, specializing in Internet search and online advertising. The company is based in Mountain View, California, and has 15,916 full-time employees (as of September 30, 2007). Google was co-founded by Larry Page and Sergey Brin while they were students at Stanford University and the company was first incorporated as a privately held company on September 7, 1998. Google's initial public offering took place on August 19, 2004, raising US$1.67 billion, making it worth US$23 billion. Through a series of new product developments, acquisitions and partnerships, the company has expanded its initial search and advertising business into other areas, including web-based email, online mapping, office productivity, and video sharing, among others. In 2006, "google" came in second on Merriam-Webster's Words of the Year. Google has more products than any one employee can tell you. They also have a full warehouse of servers.