Group 1 - The core announcement is the launch of RecGPT, a self-developed recommendation model with 100 billion parameters, which will enhance the "You Might Also Like" feature on the mobile Taobao homepage using AIGR (Generative Recommendation) technology [1] - Testing data indicates that the recommendation information flow powered by RecGPT has achieved a double-digit increase in user click-through rates, with over 5% improvements in both user add-to-cart actions and time spent on the platform [1] - RecGPT is built on the Taobao Star LLM model and utilizes reinforcement learning on user behavior data from over ten years, enhancing its reasoning capabilities in the e-commerce sector [1] Group 2 - The upgrade of the recommendation information flow represents the practical application of Taobao's AIGR technology, which is part of the broader AIGX technology system that encompasses various aspects of e-commerce operations [2] - The AIGX system includes components for indexing (AIGI), recommendation (AIGR), bidding (AIGB), auctioning (AIGA), creative generation (AIGC), and data management (AIGD), covering all necessary scenarios for e-commerce business operations [2]