Cheetah Mobile Inc. along with its subsidiaries, engages in the provision of internet services, artificial intelligence (AI), and other services in the People's Republic of China, Hong Kong, Japan, and internationally. The company offers internet products that include Duba Anti-virus applications, such as anti-virus and anti-malware, K+ defense, system protection, online shopping protection, vulnerability fixing, and membership services; Yuanqi Wallpaper, including desktop beautification, wallpaper management, and wallpaper creation. Its AI and other offerings include delivery and reception robots, Global to B services, and AI-powered business applications. In addition, the company offers Duba.com, a personal start page; artificial intelligence technologies; image viewer; and office optimization software. It serves mobile advertising networks and partners, e-commerce companies, mobile application developers, and mobile game developers, as well as individual customers. The company was formerly known as Kingsoft Internet Software Holdings Limited and changed its name to Cheetah Mobile Inc. in March 2014. Cheetah Mobile Inc. was incorporated in 2009 and is based in Beijing, the People's Republic of China.