Youdao, Inc. is an internet technology company that provides online services in content, community, communication, and commerce in China. It operates through three segments: Learning Services, Smart Devices, and Online Marketing Services. The Learning Services segment offers digital content such as Youdao Lingshi, STEAM courses including Youdao iCode, and adult courses like China University MOOC. The Smart Devices segment develops products such as Youdao Dictionary Pen, Youdao Tutoring Pen, and Youdao Smart Learning Terminal. The Online Marketing Services segment provides performance-based advertising and global marketing services. The company also offers Youdao Dictionary, translation tools, and AI-based learning tools including Hi Echo, Mr. P AI Tutor, and Scholar AI by Confucius LLM, and licenses technologies through Youdao Smart Cloud. Founded in 2006 and headquartered in Hangzhou, China, Youdao operates as a subsidiary of NetEase, Inc.