A Fast Company article describes Wal$-$Mart$$s new store inventory replenishment signaler robots, which have been rolled out in $290$ stores. They wander the isles find out$-$of$-$stock areas and then signal stockers to replenish those shelves. $($They don$$t do that themselves.$)$ The story talks a lot about the design of the robots and how they interact with customers shopping in the same isles.

Check the article via this link: Walmart's Robot Army has Arrived Links to an external site.

Or through this pdf file: How Walmart is making its robot army play nice with shoppers.pdfActions

While reading this articel, think these two questions:

What is the single biggest impact man$-$machine interaction they mention?

Does standardization have a possible role in the development of this product$/$service$?$