Dr. GAO Chong invited Dr. Lu Shiyu, Senior Researcher at Tencent Research Institute (騰訊研究院) to give a guest lecture on April 15, 2025 via Zoom meeting. This lecture is entitled "AI for Good: the collaboration between business enterprises and other organizations" and has attracted students from Soc309 Community Economy and those who are interested in digital sociology. In this lecture, Dr. Lu shared with students about how to make good use of new AI-related technologies to help disadvantaged groups, such as the aged people. She particularly introduced the "Old Friends of the Big Model (大模型的"老朋友"們)" and the Social Co-creation Action promoting a new corpus to make AI for Good, which aims to apply the “human perspective” into the AI context and to explore the action path of technology for good. After the sharing session, she answered questions from our students, including possible ways of finding job opportunities at Tencent Research Institute, how to help people avoid misusing new digital technologies, and so on.