There are MANY different elements and aspects of “retail efficiency”. For any large retailer that includes what is almost always a global supply chain – where every aspect of it has its own metrics and are improved incrementally and have an impact on the bottom line. Each piece of the supply chain puzzle – from sourcing raw materials (for some) to processing the returns has its own specialized needs, its own unique innovations and its own collection of experts working full-time on their piece of the “retail efficiency” puzzle.