Microsoft
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Microsoft Corporation is an American multinational technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the rise of personal computers through software like Windows, and has since expanded to Internet services, cloud computing, artificial intelligence, video gaming, and other fields. Often described as a Big Tech company, Microsoft is the largest software company by revenue, one of the most valuable public companies, and one of the most valuable brands globally. Founded by Bill Gates and Paul Allen to market BASIC interpreters for the Altair 8800, Microsoft rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Windows. During the 41 years from 1980 to 2021 Microsoft released 9 versions of MS-DOS with a median frequency of 2 years, and 13 versions of Windows with a median frequency of 3 years. The company's 1986 initial public offering (IPO) and subsequent rise in its share price created three billionaires and an estimated 12,000 millionaires among Microsoft employees. Since the 1990s, it has increasingly diversified from the operating system market. Steve Ballmer replaced Gates as CEO in 2000. He oversaw the then-largest of Microsoft's corporate acquisitions in Skype Technologies in 2011, an increased focus on hardware that led to its first in-house PC line, the Surface, in 2012, and the formation of Microsoft Mobile through Nokia. Since Satya Nadella took over as CEO in 2014, the company has changed focus towards cloud computing, as well as its acquisition of LinkedIn for $26.2 billion in 2016. Under Nadella's direction, the company has expanded its video gaming business to support the Xbox brand, establishing the Microsoft Gaming division in 2022 and the acquisition of Activision Blizzard for $68.7 billion in 2023. Microsoft has been dominant in the IBM PC–compatible operating system market and the office software suite market since the 1990s. Its best-known software products are the Windows line of operating systems and the Microsoft Office and Microsoft 365 suite of productivity applications, which most notably include the Word word processor, Excel spreadsheet editor, and the PowerPoint presentation program. Its flagship hardware products are the Surface lineup of personal computers and Xbox video game consoles, the latter of which includes the Xbox network; the company also provides a range of consumer Internet services such as Bing web search, the MSN web portal, the Outlook.com (Hotmail) email service and the Microsoft Store. In the enterprise and development fields, Microsoft most notably provides the Azure cloud computing platform, Microsoft SQL Server database software, and Visual Studio. In April 2019, Microsoft became the third public U.S. company to be valued at over $1 trillion. It has been criticized for its monopolistic practices, and the company's software received criticism for problems with ease of use, robustness, and security. More recently, it has been criticized for its role in providing services to Israel during the Gaza war.