Microsoft Corporation is a multinational software firm and is headquartered in Redmond, Washington. It had been incorporated on 22nd September, 1993. The corporation is engaged into developing, supporting and licensing wide variety of software products and services. It is also known for designing, selling hardware and delivering online advertising to all its customers. It operates into 5 segments - Windows Division, Online Servers Division, Server and Tools, Entertainment and Devices Division and Microsoft Business Division for phones, servers, computers and other devices. It has acquired Skype technologies in May, 2011 by paying $8.5 billion. Mr. Steve Ballmer is CEO and Mr. Bill Gates is Chairman of this corporation.