Group 1 - France's Paris prosecutor has confirmed an investigation into Elon Musk's AI company xAI regarding its chatbot "Grok" for allegedly generating illegal pornographic content, extending an existing investigation into the X platform since July last year for foreign interference assistance [2] - MSI has announced a pre-release of its gaming monitor MEG X, claiming it to be the world's first AI esports monitor equipped with next-generation QD-OLED technology, featuring a wider aspect ratio than 16:9 [2] Group 2 - DeepSeek has published a paper proposing a more efficient AI development method, introducing a framework called "manifold-constrained hyperconnection" (mHC) aimed at enhancing scalability while reducing computational and energy demands for training advanced AI systems [5] - The world's first visual AI tennis robot, Tenniix, is set to debut at CES 2026, featuring smart tracking, adaptive learning, and human-like training capabilities, with a starting price of $699 [5]