Sohu.com Ltd is one of the earliest Internet companies in China. The company has three operating segments namely Sohu, Sogou, and Changyou segment. It generates maximum revenue from the Sogou segment. Online brand advertising includes banner ads, text-chain ads, button ads, video ads, multi-type rich media ads, and specific sponsored ads on the site. Sogou search promotion is divided into PC search promotion and wireless search promotion. It can also provide daily fee-based services for all types of advertising, as well as fixed-fee services during the contract period.