Yahoo! Inc. (NASDAQ: YHOO) is an American public corporation with headquarters in Sunnyvale, California, (in Silicon Valley), that provides services via the Internet worldwide. The company is perhaps best known for its web portal, search engine (Yahoo! Search), Yahoo! Directory, Yahoo! Mail, Yahoo! News, advertising, online mapping (Yahoo! Maps), video sharing (Yahoo! Video), and social media websites and services. Yahoo! was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 1, 1995. On January 13, 2009, Yahoo! appointed Carol Bartz, former executive chairperson of Autodesk, as its new chief executive officer and a member of the board of directors] In 2008, Microsoft corporation almost bought Yahoo! Inc for $47.5 billion. However, they pulled out at the last minute. In 2011 it was reported that Yahoo! Inc is now worth half the amount that was originally offered. Yahoo! Inc. is one of the world's leading Internet media companies. Using its seemingly neverending compilation of links to other Web sites, as well as its extensive searchable database, the company helps Internet users navigate the World Wide Web. Anyone can access the Yahoo! Web site for free because it is funded not by subscriptions but by the advertisers who pay to promote products and services there. Yahoo! leads its competitors in the amount of user traffic at its site, with over 2.4 billion page views viewed through its 25 international sites in 13 languages each day. The company also offers Internet users other peripheral services, such as free e-mail accounts (Yahoo! Mail), online chat areas (Yahoo! Chat), and news tailored to each user's demographic or geographic area (Yahoo! News). The company's principal shareholders are the FMR Corporation with 12.5 percent of the stock, cofounder David Filo with 7.9 percent, cofounder Jerry Yang (6.7 percent), and CEO Terry S. Semel (1.2 percent). Yahoo! stock sold at around $35 a share during 2004.