Founded in 1994 by Stanford Ph.D. students David Filo and Jerry Yang, Yahoo! began as a hobby and has evolved into a leading global brand that changed the way people communicate with each other, conduct transactions and access, share, and create information. Today, Yahoo! Inc. attracts hundreds of millions of users every month through its innovative technology and engaging content and services, making it one of the most trafficked Internet destinations and a world class online media company. The company is headquartered in Sunnyvale, California, with a presence in more than 25 countries, provinces, and territories.