ScottBall_wal-mart-robotics-tech-robot-technology-store-retail-5-2019-4

Wal-Mart Store Manager Jason Justice drives the robotic floor cleaner to its destination.

Wal-Mart Store Manager Jason Justice drives the robotic floor cleaner to its destination. Credit: Scott Ball / San Antonio Report

Wal-Mart Store Manager Jason Justice drives the robotic floor cleaner to its destination.