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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 January 1994, Jerry Yang and David Filo were Electrical Engineering graduate students at Stanford University when they created a website named "David and Jerry's Guide to the World Wide Web". David and Jerry's Guide to the World Wide Web was a directory of other web sites, organized in a hierarchy, as opposed to a searchable index of pages. In April 1994, "Jerry's Guide to the World Wide Web" was renamed "Yahoo!".HYPERLINK l "cite_note-5" The yahoo.com domain was created on January 18, 1995,.
Yahoo! grew rapidly throughout the 90s. Like many search engines and web directories, Yahoo! diversified into a Web portal. It also made many high-profile acquisitions. Its stock price skyrocketed during the dot-com bubble, Yahoo! stocks closing at an all-time high of $118.75 a share on 3 January 2000. However, after the dot-com bubble burst, it reached an all-time low of $8.11.
In 2000, Yahoo! began using Google for search results. Over the next four years, it developed its own search technologies, which it began using in 2004. Yahoo! also revamped its mail service to compete with Google's Gmail in 2007. The company struggled through 2008, with several large layoffs.
In February 2008, Microsoft Corporation made an unsolicited bid to acquire Yahoo! for US$44.6 billion. Yahoo! subsequently formally rejected the bid, claiming that it "substantially undervalues" Yahoo! and was not in the interest of its shareholders. Carol Bartz replaced cofounder Jerry Yang in January 2009
Yahoo! Search Marketing provides services such as Sponsored Search, Local Advertising, and Product/Travel/Directory Submit that let different businesses advertise their products and services on the Yahoo! network. Yahoo! Publisher Network is an advertising tool for online publishers to place advertisements relevant to their content to monetize their websites.
Yahoo! launched its new Internet advertisement sales system on February 5, 2007, called Panama. It allows advertisers to bid for search terms based on their popularity to display their ads on search results pages. The system takes bids, ad quality, click-through rates and other factors into consideration in determining how ads are ranked on search results pages. Through Panama, Yahoo! aims to provide more relevant search results to users, a better overall experience, as well as increase monetization—to earn more from the ads it shows.
On April 7, 2008, Yahoo! announced APT from Yahoo!, which was originally called AMP! from Yahoo!,an online advertising management platform. The platform seeks to simplify advertising sales by unifying buyer and seller markets. The service was launched in September 2008.
Yahoo! Search BOSS is a service that allows developers to build search applications based on Yahoo!'s search technology.Early Partners in the program include Hakia, Me.dium, Delver, Daylife and Yebol. On October 8, 2010, The Yahoo Search Blog announced BOSS is switching, as expected, to a paid model. They will charge on a cost-per-query model where the price will vary from $0.40 to $0.75 CPM (cost per 1000 BOSS queries). The price, as Yahoo explained, will depend on if you are querying web, image, news or other information. Yahoo said they plan on offering BOSS v1, the free version, for free 60 days after BOSS v2, the paid version, is launched – which is expected in early 2011.
Geocities was a popular web hosting service founded in 1994. At one point it was the 3rd most-browsed site on the World Wide Web.Yahoo! purchased Geocities in 1999. Ten years later Yahoo! closed Geocities,deleting millions of web pages in the process. A great deal of information was certainly lost but many of those sites & pages have been mirrored at the Internet Archive,"OOcities.com", and more.
Yahoo! 360° was a popular blogging/social networking beta service launched in March 2005 by Yahoo! and closed on July 13, 2009.
Yahoo! Mash beta was another social service closed after one year of operation prior to leaving beta status.
Yahoo! Photos was shut down on September 20, 2007, in favor of integration with Flickr.
Yahoo! Tech was a web site that provided product information and setup advice to users. Yahoo! launched the web site in May 2006. On March 11, 2010, Yahoo! closed down the service and redirected users to Yahoo!'s technology news section.
Other discontinued services include Farechase, My Web, Audio Search, Pets, Live, Kickstart, Briefcase, and Yahoo! for Teachers.