History of Yahoo
| Company type | Public |
|---|---|
| Industry | Internet services |
| Founded | January 1994 |
| Founder | Jerry Yang, David Filo |
| Headquarters | United States |
Key people | Jim Lanzone (CEO) |
| Products | Web portal, search engine, Yahoo! Mail, Yahoo! Messenger, Flickr, Yahoo! Games |
Number of employees | 14,300 (2008) |
| Website | yahoo |
Yahoo! was established in January 1994 by Jerry Yang and David Filo, both electrical engineering alumni of Stanford University. They initially developed a hierarchical website directory named "Jerry and David's Guide to the World Wide Web." By April 1994, the project was rebranded as "Yahoo!." The acronym "YAHOO" stands for "Yet Another Hierarchically Organized Oracle" or alternatively "Yet Another Hierarchical Officious Oracle." The domain yahoo.com was officially registered on January 18, 1995.
Throughout the 1990s, Yahoo! experienced rapid growth, transforming into a prominent web portal and acquiring several notable companies. Its share price soared during the dot-com bubble, reaching a peak of $118.75 in 2000, before plummeting to a record low of $8.11 in 2001 following the bubble’s collapse. In 2008, Yahoo! declined an acquisition offer from Microsoft. The company executed its largest layoff in early 2012, reducing its workforce by 2,000 employees, which accounted for 14% of its staff.
Leadership shifts included Carol Bartz succeeding co-founder Yang as CEO in January 2009; she was dismissed in September 2011 and temporarily replaced by Tim Morse. In January 2012, former PayPal president Scott Thompson took over as CEO but resigned later that year. Interim CEO Ross Levinsohn served until July 2012, when former Google executive Marissa Mayer was appointed to lead the company.
Following Yahoo!’s $4.48 billion acquisition by Verizon and revelations of security breaches, Mayer stepped down in 2017. From 2018 to 2021, leadership was under Guru Gowrappan. The current CEO, appointed in September 2021, is Jim Lanzone.
Early history (1994–1996)
When the directory "Jerry and David's Guide to the World Wide Web" was renamed Yahoo! in 1994, founders Yang and Filo mentioned that "Yet Another Hierarchical Officious Oracle" served as a backronym; however, they primarily selected the name due to its broader connotation derived from Gulliver's Travels: meaning "rude, unsophisticated, uncouth." Initially, the site resided at akebono.stanford.edu/~yahoo.
The yahoo.com domain was registered in January 1995. By late 1994, Yahoo! had already garnered one million visits. Recognizing its commercial prospects, Yahoo! was officially incorporated on March 2, 1995. Yang and Filo connected with entrepreneur Randy Adams, who introduced them to Michael Moritz from Sequoia Capital. On April 5, 1995, Sequoia Capital invested roughly $3 million across two venture capital funding rounds.
Yahoo! launched its initial public offering on April 12, 1996, raising $33.8 million by selling 2.6 million shares at $13 each. The stock began trading on Nasdaq under the ticker symbol YHOO.
Because "Yahoo" was already trademarked for items such as barbecue sauce and knives, Yang and Filo appended an exclamation mark to secure their trademark rights. Despite this official punctuation, it is frequently omitted when mentioning the company. Srinija Srinivasan, another Stanford graduate, joined as Yahoo!’s fifth employee with the title "Ontological Yahoo!" tasked with organizing internet content.
Growth (1997–1999)
During the late 1990s, Yahoo! along with other web portals like MSN, Lycos, and Excite expanded aggressively by acquiring various firms to diversify their offerings and enhance user engagement.
On March 8, 1997, Yahoo! purchased online communications company Four11, integrating its webmail service Rocketmail into what became Yahoo! Mail. The company also acquired ClassicGames.com and rebranded it as Yahoo! Games, and in October 1998 bought direct marketing company Yoyodyne Entertainment, Inc. In January 1999, Yahoo! acquired web hosting provider GeoCities, followed by the purchase of eGroups, which evolved into Yahoo! Groups by June 2000. Additionally, Yahoo! acquired Pager—an instant messaging platform—which was renamed Yahoo! Messenger a year later.
These acquisitions often involved modifications to terms of service, including assertions over intellectual property rights concerning user-generated content hosted on their platforms. This led to disputes and dissatisfaction among users.
Dot-com bubble (2000–2001)
In the final month of 1999, Yahoo!'s share price surged, closing at $118.75 on January 3, 2000. Around the same period, shares of Yahoo! Japan achieved a record peak exceeding ¥100 million.
On February 7, 2000, yahoo.com was targeted by a distributed denial of service (DDoS) attack that rendered the website inaccessible for several hours. Despite this disruption, the stock increased by roughly 4.5% the next day, as the outage was attributed to external cyber attackers rather than internal technical issues.
Amid the dot-com frenzy, speculation emerged about a possible equal merger between Yahoo! and eBay, though this plan never came to fruition. Nevertheless, the two companies later established a marketing and advertising partnership in 2006.
On June 26, 2000, Yahoo! began utilizing Google’s search engine to power searches on yahoo.com, a collaboration that lasted until Yahoo! developed its proprietary search technology in 2004.
In 2000, Yahoo! was among the pioneers in creating a BizOps (business operations) team aimed at enhancing operational efficiency and guiding strategic projects within the company.
Post dot-com bubble (2002–2005)
Following the collapse of the dot-com bubble, Yahoo!'s stock price dropped to $8.11 on September 26, 2001. The company then pursued strategic partnerships with telecommunications and Internet providers to deliver broadband content services competing with AOL. Key collaborations included launching a nationwide co-branded dial-up service with SBC in June 2002, teaming up with BT Openworld in July 2003, and integrating a DSL offering with Verizon by August 2005.
To enhance its search capabilities, Yahoo! acquired various search technology firms: Inktomi in December 2002; Overture Services, Inc., which included AltaVista and AlltheWeb, in July 2003; and Konfabulator (later rebranded as Yahoo! Widgets) in February 2005. By February 2004, Yahoo! discontinued using Google's search results and reverted to its own search infrastructure.
Yahoo! launched a paid inclusion program in March 2004 that guaranteed commercial websites placement for a fee. While this generated revenue, it attracted criticism from marketers hesitant to pay and users frustrated by indistinguishable paid listings. The program ended its guaranteed listing feature by October 2006 and transitioned to offering improved site crawling and analytics for participants instead.
In response to Google's introduction of Gmail, Yahoo! expanded free Yahoo! Mail storage from 4 MB to 1 GB in 2004 and increased Yahoo! Mail Plus capacity to 2 GB. The acquisition of email provider Oddpost in July that year brought an Ajax-powered interface to Yahoo! Mail Beta. August 2005 saw the launch of Yahoo Messenger along with voice over IP capabilities; later that year, interoperability between Yahoo! Messenger and MSN Messenger was established. By 2007, Yahoo! removed all storage limits on Yahoo Mail accounts, providing unlimited space.
Yahoo! significantly grew its Web 2.0 offerings through acquisitions: launching Yahoo! Music in February 2005; acquiring photo-sharing platform Flickr and introducing blogging/social networking site Yahoo! 360° in March; obtaining RSS aggregator blo.gs in June; purchasing social event calendar Upcoming.org in October; acquiring social bookmarking service del.icio.us in December; and adding playlist sharing community webjay by January 2009.
Yahoo! (2006–2008)
Yahoo! Next functioned as a testing ground for emerging Yahoo! innovations in beta form, comparable to Google Labs, and included discussion forums designed to collect user input for product refinement.
At the beginning of 2006, Yahoo! invited users to participate in beta testing of a redesigned Yahoo! homepage, which initially supported only Internet Explorer and Mozilla Firefox. This limited compatibility led to dissatisfaction among users of other browsers such as Opera. Plans were made to broaden browser compatibility later on.
On August 27, 2007, Yahoo! unveiled an upgraded version of Yahoo! Mail that integrated Yahoo! Messenger—including Windows Live Messenger through network federation—and introduced free SMS messaging to mobile phones in the United States, Canada, India, and the Philippines.
Yahoo! revealed on January 29, 2008, that it would reduce its workforce by 1,000 employees, approximately 7% of its total staff of 14,300, attributing the decision to competitive pressures from market leader Google.
In February 2008, Yahoo! acquired Maven Networks, a Cambridge-based company, for roughly $160 million to strengthen its internet video player technology and expand its video advertising capabilities.
On November 17, 2008, Jerry Yang announced his intention to resign as CEO once a successor had been appointed.
Amid the global financial crisis, Yahoo! commenced a worldwide reduction of 1,520 positions on December 10, 2008.
Acquisition attempt by Microsoft
Between 2005 and 2007, Microsoft and Yahoo! held merger negotiations that ultimately did not succeed amid skepticism from industry analysts. On February 1, 2008, after Yahoo! declined a friendly acquisition proposal, Microsoft submitted an unsolicited bid valuing Yahoo! at $44.6 billion in cash and stock. Yahoo! considered other options including potential agreements with Google and News Corp but rejected Microsoft's offer as undervaluing the company’s brand and growth potential.
Following this rejection, two pension funds filed lawsuits against Yahoo!'s board alleging a breach of fiduciary responsibility by opposing Microsoft's bid. Google CEO Eric Schmidt voiced concerns that a merger between Microsoft and Yahoo! could threaten the openness of the internet. Due to declines in stock prices, Microsoft's offer value dropped to $42.2 billion by April. On April 5, Microsoft issued an ultimatum threatening a hostile takeover if Yahoo! did not accept within three weeks. Yahoo! responded by seeking superior bids and criticized Microsoft's aggressive approach.
Alternative discussions included a possible merger between AOL and Yahoo! as a countermeasure to Microsoft's proposal. On May 3, Microsoft withdrew its bid after failing to meet Yahoo!'s demand of $37 per share; Microsoft had offered $33 per share. Analysts anticipated a significant decline in Yahoo!'s stock price, increasing pressure on CEO Jerry Yang to implement strategic changes. After the withdrawal announcement, Yahoo!'s shares fell by 15%, erasing approximately $6 billion in market value.
By June 12, Yahoo! ceased all negotiations with Microsoft and announced a non-exclusive search advertising partnership with Google. This decision led to executive resignations and weakened investor confidence. In July, Microsoft expressed readiness to renew its acquisition offer contingent upon changes in Yahoo!'s board composition. Investor Carl Icahn initiated a proxy contest resulting in his appointment alongside two allies to an expanded board.
By November 2008, Yahoo!'s stock price reached a 52-week low at $8.94 per share. Later that month, Microsoft proposed acquiring Yahoo!'s search business for $20 billion. In July 2009, a decade-long agreement granted Microsoft full rights to operate Yahoo!'s search engine alongside Bing without any upfront payment. Following this announcement, Yahoo!'s shares declined over 10%, trading at roughly 60% below Microsoft's initial takeover valuation.
Carol Bartz tenure (2009–2011)
On January 13, 2009, Yahoo! named Carol Bartz, previously the executive chairman at Autodesk, as its CEO and a board member, with the objective of redirecting the company following the departure of co-founder Jerry Yang.
In July 2009, Yahoo! and Microsoft entered into a search alliance whereby Yahoo! utilized Microsoft's search technology and advertising infrastructure, while retaining control over the display and customization of search results on its platforms. Additionally, Yahoo! took on the responsibility for banner ad sales for both organizations.
Yahoo! introduced the Metro homepage on July 21, 2009, offering users the ability to personalize their experience through a "My Favorites" section and incorporate third-party web services onto a single page.
By October 2009, Bartz acknowledged difficulties in clearly defining Yahoo!’s brand identity but concluded from feedback gathered across ten countries that users regarded Yahoo! as their "Internet home."
In September 2011, chairman Roy Bostock abruptly dismissed Bartz from her CEO role. Chief Financial Officer Tim Morse was appointed interim CEO to oversee the company during this leadership transition.
Scott Thompson leadership (2012)
Scott Thompson, formerly President of PayPal, assumed the role of CEO on January 4, 2012.
Staff reductions
Following Thompson’s appointment, several senior executives exited the company, including Chief Product Officer Blake Irving, Vice President of computational advertising Andrei Broder, and head of advertising sciences Jianchang (JC) Mao. This was part of an ongoing exodus from Yahoo! Labs that saw Prabhakar Raghavan and Raghu Ramakrishnan depart for roles at Google and Microsoft respectively.
On April 4, 2012, Yahoo announced it would reduce its workforce by approximately 2,000 employees—around 14% of total staff—with the goal of cutting costs by roughly $375 million annually by year-end.
Patent litigation with Facebook
On March 14, 2012, Yahoo initiated legal action against Facebook alleging violations of ten patents. Facebook countered with its own lawsuit, intensifying the dispute between the two companies.
Corporate restructuring
In April 2012, CEO Scott Thompson highlighted a renewed focus on customers—defined as both users and advertisers. Beginning May 1, 2012, Yahoo reorganized into three primary divisions: Consumer, Regions, and Technology.
The Consumer division encompassed Media, Connections, and Commerce units centered on enhancing user engagement. The Regions division handled operations across the Americas, APAC, and EMEA territories with an emphasis on advertiser relations. The Technology division delivered foundational platforms and technical services to support the other segments.
The Corporate group—which included Finance, Legal, and Human Resources—remained intact to provide ongoing administrative support. This restructuring was designed to optimize operational efficiency and better align resources with market needs.
Controversy over Thompson’s academic credentials
On May 3, 2012, it emerged that CEO Scott Thompson’s biography falsely claimed he held dual degrees in accounting and computer science from Stonehill College. Subsequent investigation confirmed he possessed only an accounting degree. This revelation came from Dan Loeb, founder of Third Point LLC—a shareholder owning 5.8% of Yahoo! stock—who was seeking seats on the board.
In reaction to this disclosure, Yahoo!'s board established a three-member committee to examine Thompson’s qualifications and review the vetting procedures. The panel was led by Alfred Amoroso, with members John Hayes and Thomas McInerney. Independent legal counsel Terry Bird was engaged to assist with the investigation.
Ross Levinsohn assumes interim CEO role after Thompson
On May 13, 2012, Ross Levinsohn stepped in as interim CEO, succeeding Scott Thompson. The following month, Yahoo! appointed former Google executive Michael G. Barrett as chief revenue officer.
Leadership under Marissa Mayer (2012–2017)
On July 16, 2012, Marissa Mayer, previously a Google executive and board member at Walmart, was named CEO and President of Yahoo!, becoming the youngest leader of a Fortune 500 company.
Yahoo!'s board sanctioned a $1.1 billion all-cash purchase of the six-year-old blogging platform Tumblr on May 19, 2013, aiming to engage with rapidly expanding online communities. Tumblr's CEO David Karp continued to hold a substantial ownership stake.
The refreshed Yahoo-owned photo-sharing service Flickr was relaunched in Times Square on May 20, 2013, providing users with one terabyte of free storage. The acquisition of Tumblr was also announced at this event.
In May 2013, Yahoo! showed interest in acquiring the video streaming platform Hulu, submitting bids estimated between $600 million and $800 million. A combined user base from Yahoo! and Hulu would have positioned the company second only to Google/YouTube in terms of U.S. video viewership.
Yahoo! purchased Qwiki for $50 million in July 2013. Subsequently, on August 2, 2013, the company announced it had acquired social web browser Rockmelt, integrating its personnel and discontinuing Rockmelt’s applications by August 31.
On August 7, 2013, Yahoo! revealed plans to introduce a new logo on September 5, accompanied by a "30 days of change" campaign showcasing daily logo variations.
Data from July 2013 indicated that Yahoo! websites outperformed Google in U.S. visitor numbers for the first time since 2011 when excluding Tumblr and mobile traffic.
In early 2014, Yahoo! expanded its portfolio by acquiring Wander, a social diary service, along with Distill, a technical recruitment firm.
On February 17, 2016, Yahoo! transitioned from Yahoo! Labs to Yahoo! Research.
On September 22, 2016, Yahoo! disclosed a significant data breach dating back to late 2014 that compromised at least 500 million user accounts—marking the largest breach reported at that time. Exposed information included names, email addresses, phone numbers, birthdates, security questions and answers, as well as encrypted passwords. Attackers exploited forged web cookies to access accounts without requiring passwords. Additionally, a separate breach from August 2013 affected over one billion accounts—the largest known in Internet history—revealed in December 2016.
On January 9, 2017, Marissa Mayer announced her intention to resign from Yahoo's board contingent upon the completion of the company's $4.5 billion acquisition by Verizon; following the transaction, Yahoo would be rebranded as Altaba.