Yahoo!

Yahoo's History and Acquisitions - Yahoo was founded in January 1994 by Jerry Yang and David Filo as a website called 'Jerry and David's Guide to the World Wide Web.' - In March 1994, the website was renamed Yahoo! and became known as the Yahoo Directory. - The yahoo.com domain was registered on January 18, 1995. - Yahoo was incorporated on March 2, 1995, and introduced its search engine function, Yahoo Search, in the same year. - In 1997, Yahoo acquired Four11 Corporation. - In 1998, Yahoo acquired GeoCities and became the first portal call. - In 1999, Yahoo acquired Broadcast.com for $5.7 billion. - In 2013, Yahoo acquired Tumblr. - Yahoo acquired Rockmelt in 2013. - Yahoo bought social investing platform Commonstock. Yahoo's Search Engine - Yahoo started as a search engine and launched Yahoo Search in 1996. - In 2000, Yahoo selected Google as its default search engine provider. - Yahoo later developed its own search technology and dumped Google's search technology. - Yahoo's search engine faced competition from Google and experienced a decline in market share. - In 2009, Yahoo entered into a partnership with Microsoft's Bing search engine. Challenges and Layoffs - After the 9/11 attacks, Yahoo's stock hit an all-time low in 2001. - In 2008, Yahoo faced financial challenges and announced layoffs. - Microsoft made a bid to acquire Yahoo for $45 billion in 2008, which was eventually dropped. - Yahoo's CEO, Carol Bartz, was fired in 2011. - Yahoo implemented job cuts to improve profitability in 2009. - Yahoo experienced a $4.4 billion loss and announced a 15% workforce reduction. - Yahoo's valuation collapsed significantly. - Yahoo faced financial challenges under Marissa Mayer's leadership. - Tech layoffs resulted in Yahoo slashing 20% of its workforce. - Yahoo's stock soared with buyback help. Leadership Changes - Carol Bartz replaced Jerry Yang as CEO in January 2009. - Bartz was fired in September 2011 and replaced by interim CEO Tim Morse. - Scott Thompson became CEO in January 2012, but several key executives resigned under his leadership. - Ross Levinsohn served as interim CEO after Thompson's firing in May 2012. - Marissa Mayer was appointed president and CEO of Yahoo in July 2012. - Marissa Mayer faced intense scrutiny during her tenure as CEO of Yahoo. - Marissa Mayer resigned after Verizon completed the acquisition of Yahoo. - Jim Lanzone was named the CEO of Yahoo. - Tim Armstrong, former CEO of Oath, left the Verizon unit. - Marissa Mayer's resignation marked the end of an era for Yahoo. Data Breaches and Security Issues - Yahoo disclosed a data breach in 2016 affecting at least 500 million user accounts. - Another separate data breach occurred in 2014, affecting at least one billion accounts. - Four men, including two employees of Russia's Federal Security Service, were indicted for their involvement in the hack. - Hackers utilized stolen internal software to forge HTTP cookies. - All 3 billion user accounts were affected by a 2013 theft. - Hackers stole data on 500 million Yahoo users in 2014. - Russian agents were found to be behind the Yahoo breach. - Yahoo revealed that 1 billion user accounts were hacked. - The estimate of breached Yahoo accounts was tripled to 3 billion. - Yahoo provided notice to additional users affected by a 2013 data theft.