Microsoft was founded in 1975 by Bill Gates and Paul Allen. It has grown to be one of the largest software companies in the world, developing widely used products like Windows, Office, Xbox, and Skype. Microsoft's mission is to empower people through technology by creating accessible and easy to use products. It has expanded from programming languages to operating systems, productivity software, gaming, cloud services and more through both organic growth and acquisitions worth billions of dollars. Today Microsoft has over 128,000 employees working across 129 subsidiaries worldwide.