Sohu.com Inc. (Sohu) is a Chinese online media, search, gaming, community and mobile service group. Sohu operates matrices of Chinese language Web properties and online games in China. Its businesses mainly consist of brand advertising business, online game business (conducted through Changyou.com Limited, Changyou), sponsored search business (conducted through Sogou Inc. Sogou), and wireless business, among which brand advertising and online game are its two core businesses. Its game players typically access its games at Internet cafes or on personal computers connected to the Internet. In order to access its games, its game access software must be installed in the computer being used. Game players using personal computers and Internet cafe operators can typically download its game access software, interim updates and expansion packs directly from its official game Website.