Group 1 - The podcast "Knock Knock World" is a collaborative production by "Sound Alive" and "One Tenth," aimed at unlocking global fresh news for young audiences [8] - The first season of "Knock Knock World" is available on major audio platforms, with a total of three free trial episodes [8] - The first season runs from March 25, 2025, to March 24, 2026, with a subscription price of 365 yuan [8] Group 2 - The podcast engages with young listeners by addressing their observations and questions about various topics, including travel experiences and cultural differences [2][4] - There is a growing interest in the corn industry, particularly in the context of health-conscious eating trends, raising questions about agricultural practices and export conditions [4] - The podcast also touches on geopolitical issues, such as the India-Pakistan conflict, discussing military capabilities and economic impacts of warfare [5]