Sony Group Corporation (ソニーグループ株式会社, Sonī Gurūpu kabushiki gaisha SOH-nee), commonly known as Sony and stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional electronic products, the largest video game console company and the largest video game publisher. Through Sony Entertainment Inc, it is one of the largest music companies (largest music publisher & second largest record label) and the third largest film studio, making it one of the most comprehensive media companies. It is the largest technology and media conglomerate in Japan. At the same period, it is also recognized as the most cash-rich Japanese company, with its net cash reserves of ¥2 trillion.Sony, with its 55 percent market share in the image sensor market, is the largest manufacturer of image sensors, the second largest camera manufacturer, and is among the semiconductor sales leaders. It is the world's largest player in the premium TV market for a television of at least 55 inches (140 centimeters) with a price higher than $2,500 as well as second largest TV brand by market share and, as of 2020, the third largest television manufacturer in the world by annual sales figures.Sony Group Corporation is the holding company of the Sony Group (ソニー・グループ, Sonī Gurūpu), which comprises Sony Corporation, Sony Semiconductor Solutions, Sony Entertainment (Sony Pictures, Sony Music), Sony Interactive Entertainment, Sony Financial Group, and others.
The company's slogan is We are Sony. Their former slogans were The One and Only (1979–1982), It's a Sony (1981–2005), like.no.other (2005–2009), make.believe (2009–2013) and Be Moved (2013–2021).
Sony has a weak tie to the Sumitomo Mitsui Financial Group (SMFG) corporate group, the successor to the Mitsui keiretsu. Sony is listed on the Tokyo Stock Exchange (in which it is a constituent of the Nikkei 225 and TOPIX Core30 indexes) with an additional listing in the form of American depositary receipts listed in the New York Stock Exchange (traded since 1970, making it the oldest Japanese company to be listed in an American exchange), and was ranked 122nd on the 2020 Fortune Global 500 list.

Activision Publishing, Inc. is an American video game publisher based in Santa Monica, California. It serves as the publishing business for its parent company, Activision Blizzard, and consists of several subsidiary studios. Activision is one of the largest third-party video game publishers in the world and was the top United States publisher in 2016.The company was founded as Activision, Inc. on October 1, 1979 in Sunnyvale, California, by former Atari game developers, upset at how they were treated at Atari, to develop their own games for the popular Atari 2600 home video game console. Activision was the first independent, third-party, console video game developer. The 1983 video game crash, in part created by too many new companies trying to follow in Activision's footsteps without the expertise of Activision's founders, hurt Activision's position in console games, forcing them to diversify into games for home computers, including the acquisition of Infocom. After a management shift, with CEO Jim Levy replaced by Bruce Davis, the company renamed itself as Mediagenic and branched out into business software applications. Mediagenic quickly fell into debt, and the company was bought for around US$500,000 by Bobby Kotick and a small group of investors around 1991.
Kotick instituted a full rework of the company to cover its debts: dismissing most of its staff, moving the company to Los Angeles, and reverting to the Activision name. Building on existing assets, the Kotick-led Activision pursued more publishing opportunities and, after recovering from the former debt, started acquiring numerous studios and intellectual properties over the 1990s and 2000s, among these being the Call of Duty and Guitar Hero series. A holding company was formed as Activision's parent company to manage the internal and acquired studios. In 2008, this holding company merged with Vivendi Games (the parent company of Blizzard Entertainment) and formed Activision Blizzard, with Kotick as its CEO. Within this structure, Activision serves to manage numerous third-party studios and publish all the parent company's games outside those created by Blizzard.

Xbox is a video gaming brand created and owned by Microsoft. The brand consists of five video game consoles, as well as applications (games), streaming services, an online service by the name of Xbox network, and the development arm by the name of Xbox Game Studios. The brand was first introduced in the United States in November 2001, with the launch of the original Xbox console.
The original device was the first video game console offered by an American company after the Atari Jaguar stopped sales in 1996. It reached over 24 million units sold as of May 2006. Microsoft's second console, the Xbox 360, was released in 2005 and has sold 86 million units as of October 2021. The third console, the Xbox One, was released in November 2013 and has sold 51 million units. The fourth line of Xbox consoles, the Xbox Series X and Series S, were released in November 2020. The head of Xbox is Phil Spencer, who succeeded former head Marc Whitten in late March 2014.

Microsoft Corporation is an American multinational technology corporation which produces computer software, consumer electronics, personal computers, and related services. Its best-known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface lineup of touchscreen personal computers. Microsoft ranked No. 21 in the 2020 Fortune 500 rankings of the largest United States corporations by total revenue; it was the world's largest software maker by revenue as of 2016. It is considered one of the Big Five companies in the U.S. information technology industry, along with Amazon, Alphabet (Google), Apple, and Meta (Facebook).
Microsoft (the word being a portmanteau of "microcomputer software") was founded by Bill Gates and Paul Allen on April 4, 1975, to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Microsoft Windows. 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 and has made a number of corporate acquisitions, their largest being the acquisition of LinkedIn for $26.2 billion in December 2016, followed by their acquisition of Skype Technologies for $8.5 billion in May 2011.As of 2015, Microsoft is market-dominant in the IBM PC compatible operating system market and the office software suite market, although it has lost the majority of the overall operating system market to Android. The company also produces a wide range of other consumer and enterprise software for desktops, laptops, tabs, gadgets, and servers, including Internet search (with Bing), the digital services market (through MSN), mixed reality (HoloLens), cloud computing (Azure), and software development (Visual Studio).
Steve Ballmer replaced Gates as CEO in 2000, and later envisioned a "devices and services" strategy. This unfolded with Microsoft acquiring Danger Inc. in 2008, entering the personal computer production market for the first time in June 2012 with the launch of the Microsoft Surface line of tablet computers, and later forming Microsoft Mobile through the acquisition of Nokia's devices and services division. Since Satya Nadella took over as CEO in 2014, the company has scaled back on hardware and has instead focused on cloud computing, a move that helped the company's shares reach its highest value since December 1999.Earlier dethroned by Apple in 2010, in 2018 Microsoft reclaimed its position as the most valuable publicly traded company in the world. In April 2019, Microsoft reached the trillion-dollar market cap, becoming the third U.S. public company to be valued at over $1 trillion after Apple and Amazon respectively. As of 2020, Microsoft has the third-highest global brand valuation.According to a 2021 survey, Microsoft was selected as the best company of the year. The worst company of 2021 is Meta Platforms (formerly known as Facebook), according to the same survey.