US-based Microsoft Corp. is a company engaged in developing, manufacturing, licensing, and supporting a range of software products and services for different types of computing devices. It operates through five business segments: client, server and tools, online services business, Microsoft business division, and entertainment and devices division. Client has overall responsibility for technical architecture, engineering, and delivery of the Windows product family and is responsible for relationships with personal computer manufacturers, including multinational and regional original equipment manufacturers. Server and tools develops and markets software server products, software developer tools, services, and solutions. The online services division consists of an online advertising platform with offerings for both publishers and advertisers, online information offerings such as Bing, MSN portals and channels, and personal communications services such as email and instant messaging around the world. Microsoft business division offerings consist of the Microsoft Office system and Microsoft Dynamics business solutions. The entertainment and devices division is responsible for developing, producing, and marketing the Xbox video game system, including consoles and accessories, third-party games, games published under the Microsoft brand, and Xbox Live operations, as well as research, sales, and support of those products. Microsoft markets its products worldwide and is present in Latin America with offices throughout the region. In 2014, the company completed the acquisition of Nokia's devices and services unit.