Group 1 - The article discusses how AI technology, represented by DeepSeek, is transforming news applications, particularly focusing on the differences in AI integration among major platforms like Sina News, Tencent News, Toutiao, and Baidu App [1][3][42] - Each platform has a unique approach to AI integration, with Sina News' "Smart Xiaolang" being deeply embedded in content, while others like Baidu and Toutiao focus more on AI search capabilities [4][11][20] - The article highlights that the primary value of AI in news applications lies in enhancing content consumption efficiency and operational efficiency for the platforms [42][43] Group 2 - Sina News' AI capabilities are noted for their strength, providing comprehensive summaries and insights based on a large number of reference materials, significantly more than competitors [26][38] - The AI-generated content from Sina News is deemed more reliable due to its access to authoritative sources, including both mainstream media and social media influencers [35][41] - The article emphasizes that AI is not just about content creation but also about reshaping user consumption habits and improving the overall user experience in news delivery [48][49][50]