According to @ai_darpa, the Shenzhen metro has introduced Xiaosuan, an AI-powered robotic guide dog designed to autonomously assist visually impaired riders as they navigate metro stations. This innovation is a world-first in public transport accessibility, leveraging advanced computer vision, real-time navigation algorithms, and sensor technology to enable safe and independent travel for users (source: @ai_darpa, Dec 16, 2025). The deployment of Xiaosuan demonstrates significant business opportunities for AI-driven assistive robotics in urban infrastructure, setting a new benchmark for smart city solutions and inclusive mobility. This advancement is expected to drive further adoption of AI-powered accessibility tools in global transportation networks.