Youdao, Inc. engages in the provision of learning content, applications, and solutions. The firm operates two business segments. The Learning Services and Products segment offers online courses, including the Youdao Premium Courses, NetEase Cloud Classroom and China University MOOC, as well as learning products such as the Youdao Dictionary and Youdao Cloudnote, sales Youdao Dictionary Pen and Youdao Pocket Translator, and provides learning services to customers. The Online Marketing Services segment is engaged in providing different forms of advertising for marketing.