Chinese e-commerce giant JD.com has launched a smart helmet for food couriers with features enabled by artificial intelligence technology, following similar roll-outs by rivals Alibaba Group Holding and Meituan as they seek to improve rider safety and boost delivery efficiency. The helmet integrates an AI-driven voice assistant with a camera that can “see” the surrounding environment, JD.com’s food delivery unit announced on Monday. The company said the device was designed to minimise...