The article discusses the evolution of food delivery services, particularly in response to changing consumer demands during the pandemic and economic challenges. Executives from Walmart and Uber shared insights on their innovative delivery technologies during a virtual event. Walmart is expanding its drone delivery service, which has already completed over 120,000 deliveries, focusing on quick, eco-friendly options for items like snacks and urgent care products. Meanwhile, Uber is enhancing its autonomous delivery capabilities, including sidewalk robots and refrigerated vehicles, to streamline operations and cater to consumer needs.