Autonomous delivery robots are getting smarter all the time. The Postmates Serve robot is an all-electric autonomous delivery robot that uses the latest NVIDIA Jetson AGX Xavier module. It can carry 50 pounds of goods within a range of 30 miles. People can interact with the robot via its touchscreen and camera.
Serve has a light ring and lighting in its eyes to signal change in direction and communicate with people. It navigates sidewalks to deliver things on-demand. More information is available here.