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topology.

Microsoft Corporation (NASDAQ: MSFT, NYSE: MSFT) is an

American public multinational corporation headquartered in

Redmond, Washington, USA that develops, manufactures, licenses,

and supports a wide range of products and services predominantly

related to computing through its various product divisions.

Established on April 4, 1975 to develop and sell BASIC interpreters

for the Altair 8800, Microsoft rose to dominate the home computer

operating system market with MS-DOS in the mid-1980s, followed by

the Microsoft Windows line of operating systems. Microsoft would

also come to dominate the office suite market with Microsoft Office.

The company has diversified in recent years into the video game

industry with the Xbox and its successor, the Xbox 360 as well as

into the consumer electronics and digital services market with Zune,

MSN and the Windows Phone OS. The ensuing rise of stock in the

company's 1986 initial public offering (IPO) made an estimated four

billionaires and 12,000 millionaires from Microsoft employees. In

May 2011, Microsoft Corporation acquired Skype Communications

for $8.5 billion dollars.

Primarily in the 1990s, critics contend Microsoft used monopolistic

business practices and anti-competitive strategies including refusal

to deal and tying, put unreasonable restrictions in the use of its

software, and used misrepresentative marketing tactics; both the

U.S. Department of Justice and European Commission found the

company in violation of antitrust laws. Known for its interviewing

process with obscure questions, various studies and ratings were

generally favorable to Microsoft's diversity within the company as

well as its overall environmental impact with the exception of the

electronics portion of the business.