Group 1 - The annual event hosted by Luo Yonghao experienced delays and was criticized for resembling a large-scale live-streaming sales event, reflecting a broader trend in tech product launches where performance often overshadows substance [1][2] - Despite the criticisms, the event was noted for its authenticity, as the team focused on genuine product demonstrations rather than elaborate staging, which is a departure from traditional tech launch events [1] - The event's unique positioning on Douyin's selected content platform raises questions about the choice of platform, indicating a shift in user preferences towards long-form content consumption [4][6][10] Group 2 - Douyin's commitment to high-quality content is evident, with creators who understand user preferences and produce engaging material, contributing to a thriving ecosystem [7][11] - The success of long-form content on Douyin is illustrated by popular series that have garnered millions of likes, showcasing a growing demand for deeper content [11] - The recognition of creators at the event highlights the platform's focus on quality and innovation, with awards given to those who excel in scientific communication and creative visual content [12][15] Group 3 - The integration of AI features on Douyin enhances user experience by allowing for real-time question answering and content summarization, improving the consumption of educational material [18][19][21] - The platform's emphasis on fostering a deep connection between users and content creators reflects a strategic shift towards nurturing a sustainable content ecosystem [21] - Luo Yonghao's understanding of this dynamic is evident in his recognition of creators, suggesting a new era for high-quality content on Douyin [21]