According to Wired statement “it’s built on cloud computing and networks of data-gather sensors; it’s mobile, virtual and instantaneous connection” how is this meant on basis of Internet of Things (IoT) as far as Industry 4.0 is concerned?

What are the differences between smart factory and autonomus mobile robots as far as Industry 4.0 is related?? What are the prones and cones for the autonomous mobile robots(AMRs)