Yahoo! is a large corporation headquartered in Sunnyvale, California. Yahoo is mainly known for its search engine as well as email services along with web hosting. As of 2010, the corporation laid claim to the largest share of online advertising in the world.
- Year Founded: 1994
- Incorporated: March 1, 1995
- Founder: Jerry Yang and David Filo – Electrical Engineering Graduates, Stanford
- CEO: Carol Bartz
- Office Location: Sunnyvale, CA
- Sister Companies: del.ico.us, Flickr, Fire Eagle, FoxyTunes, Upcoming, Wretch