In the future, more businesses will rely on robots to serve their customers. Take the Keenon AI Restaurant Robot for instance: it is a service robot with voice broadcast capability that can take on multi-point delivery tasks. It has a vision sensor, LiDAR, and a front display to show emotion.
This delivery robot measures 50 x 50 x 120cm. It has a speed of 1 m/s. It has payload capacity of 40kg. You can find out more about it here.