Founded in 2006, Youdao Inc. operates through three primary business segments: Learning Services, Smart Devices, and Online Marketing Services. The company's educational offerings span language learning, vocational training, and digital education solutions through platforms such as Youdao Premium Courses, NetEase Cloud Classroom, and China University MOOC. In addition to its online courses, Youdao develops popular digital tools like the Youdao Dictionary and AI-powered smart hardware, including the Youdao Dictionary Pen and Smart Learning Pad. The company also monetizes its large user base through performance-based and brand advertising services. By integrating its proprietary large language models, Youdao continues to expand its capabilities in both educational technology and cross-border translation services.