Yahoo! Inc. (NASDAQ: YHOO) is an American public corporation headquartered in Sunnyvale, California, (in Silicon Valley), that provides Internet services 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. As of January, 2010, Yahoo held the world's largest market share in online display advertising. JP Morgan put the company’s US market share for display ads at 17%, well ahead of No. 2 Microsoft at 11% and AOL at 7%.[3]
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.[4]
According to Web traffic analysis companies (including Compete.com, comScore,[5] Alexa Internet,[6] Netcraft,[7] and Nielsen ratings),[8] the domain yahoo.com attracted at least 1.575 billion visitors annually by 2008.[9] The global network of Yahoo! websites receives 3.4 billion page views per day on average as of October 2007.
Yahoo! stock doubled in price in the last month of 1999.[19] On January 3, 2000, at the height of the Dot-com boom, Yahoo! stocks closed at an all-time high of $118.75 a share. Sixteen days later, shares in Yahoo! Japan became the first stocks in Japanese history to trade at over ¥100,000,000, reaching a price of ¥101.4 million ($94,780 at that time).[20]
On February 7, 2000, the Yahoo! domain was brought to a halt for a few hours as it was the victim of a distributed denial of service attack (DDoS).[21] On the next day, its shares rose about $16, or 4.5 percent as the failure was blamed on hackers rather than on an internal glitch, unlike a fault with eBay earlier that year.
During the dot-com boom, the cable news station CNBC also reported that Yahoo! and eBaymerger.[22] Although the merger never materialized the two companies decided to form a marketing/advertising alliance six years later in 2006.[23] were discussing a 50/50
On June 26, 2000, Yahoo! and Google signed an agreement which retained Google as the default worldwide-web search engine for Yahoo! following a beta trial in 1999.[
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