Microsoft Corporation is a multinational technology company founded in 1975 by Bill Gates and Paul Allen. It develops software, services, and consumer electronics. Microsoft's major products include the Windows operating system, the Microsoft Office suite of productivity software including Word and Excel, and the Internet Explorer web browser. The company has over 110 subsidiaries, 190,000 employees worldwide, and $110 billion in annual revenue, making it one of the largest software companies in the world.