Abstract: A robot capable of autonomously navigating through a warehouse to execute orders on items at locations in the warehouse with the assistance of the human operators. There is a mobile base unit and a display device associated with the mobile base unit having a display area to allow the human operators to interact with the robot. And, there is a processor configured to display on a first portion of the display area information corresponding to an item on which an operator is to assist the robot execute the order at a first location and to display on a second portion of the display area icons representing other robots within a predetermined area surrounding the first location.