Group 1 - The article discusses the challenges faced by delivery robots, particularly in navigating stairs and uneven surfaces, highlighting their limitations in real-world environments [2] - It emphasizes the growing interest in humanoid and intelligent robots for delivery services, indicating a trend towards automation in the logistics industry [2] Group 2 - The mention of "robot delivery" suggests a potential market for robotic solutions in the food and goods delivery sector, which could lead to investment opportunities [2] - The article reflects on the technological advancements in robotics, which may influence future developments in the delivery industry [2]