Cheetah Mobile Inc., a global internet firm with operations spanning China, the U.S., Japan, and other international regions, was incorporated in 2009 and is headquartered in Beijing, People's Republic of China. The company rebranded to its current name in March 2014, having previously operated as Kingsoft Internet Software Holdings Limited. Cheetah Mobile offers a diverse portfolio of digital products and services. Its suite of mobile utility applications features Clean Master, an essential tool for clearing junk files, optimizing memory, and ensuring user privacy. Security Master provides comprehensive anti-virus and security protection for mobile devices, complemented by Duba Anti-virus, an internet security solution guarding against both identified and emerging digital threats. Beyond utilities, the company develops popular mobile games like Piano Tiles 2, Rolling Sky, and Dancing Line. Its offerings also extend to value-added software for both PC and mobile platforms, including wallpaper and office optimization tools, as well as hardware solutions like the E-Coupon vending robot, which serves reception and marketing functions. Furthermore, Cheetah Mobile delivers a range of services, including a multi-cloud management platform, international advertising agency services, and mobile advertising publishing. It manages duba.com, a personalized web portal that consolidates online resources. The company also provides cloud-based data analytics engines, various artificial intelligence services, and premium membership options. Its clientele comprises direct advertisers, such as developers of mobile applications and games, e-commerce businesses, search engines, and affiliated mobile advertising networks.