Sogou Inc. Stock Compare Tool | Stock Guides Technology | Internet Information Providers | China Sogou Inc. (NYSE: SOGO) is an innovator in search and a leader in China’s internet industry. With a mission to make it easy to communicate and get information, Sogou has grown to become the second largest search engine by mobile queries and the fourth largest Internet company based on monthly active users (MAU) in September 2017. Sogou has a wide range of innovative products and services that are used by hundreds of millions of users in China. For example, Sogou Input Method is the largest Chinese language input software by MAU for both mobile and PC. It interfaces with virtually all applications that involve Chinese-language input, generating massive, high-quality data that is critical to our big data capabilities. It anticipates users' search intentions in real time and allows them to search directly with Sogou Search through its embedded search function.