If you’ve visited a Walmart grocery store recently, you might have been surprised to see employees doing their shopping. But they’re not actually shopping for themselves, they’re shopping for people like you who have ordered their groceries online. In the Walmart case, online orders that come in the night before are filled the next morning…

Archimedes said, ‘the shortest distance between two points is a straight line’ and old Archi was spot on. But, while he was undeniably correct, his point can be misleading in the real world. For example, if you’re trying to move your warehoused products out the door as quickly as possible, then you should have a…