Microsoft is an American multinational technology company founded by Bill Gates and Paul Allen in 1975 that develops and sells software, devices and services from its headquarters in Redmond, Washington. It offers products including the Windows operating system, Microsoft 365 productivity and collaboration apps, server and business solution software, development tools and Xbox gaming consoles, while also delivering online advertising via Bing and professional networking through LinkedIn. Its revenue is almost evenly split between the United States, which accounts for 50.4%, and other countries at 49.6%, and over three quarters comes from service-oriented offerings such as cloud services, productivity and business applications, advertising and networking platforms.