Microsoft. Does it really need an introduction? Well, in case you have been hibernating for the past 40 years, you may want to read this. Microsoft Corporation is an American multinational corporation with headquarters in Redmond, Washington. Founded in 1975 by Bill Gates - the wealthiest man alive! - the company develops, manufactures, licenses, supports and sells anything computer related!

As of 2013, Microsoft is market dominant in both the IBM PC-compatible operating system and office software with Microsoft Office. The company has also expanded its activities to other techy products including the search engine Bing, the video game console, Xbox, the digital services market through MSN and mobile phones with Windows Phone OS.