Microsoft is a technology company. Their products include operating systems for computing devices, servers, phones, and other intelligent devices; server applications for distributed computing environments; cross-device productivity applications; business solution applications; desktop and server management tools; software development tools; video games; and online advertising. They also design and sell hardware including PCs, tablets, gaming and entertainment consoles, phones, other intelligent devices, and related accessories. They offer cloud-based solutions that provide customers with software, services, platforms, and content. They also provide consulting and product and solution support services, and they train and certify computer system integrators and developers.