We've all heard about microservices and the flexibility they confer in reconfiguring business processes. But how might you orchestrate all the services and parties for a back-to-back order that you capture online but source from China? How will you manage the exception message from your customs clearance agent? How will that roll-back to the order and original customer? In this report, we show how applications ecosystems can help application development and delivery (AD&D) professionals in retail deliver customer-centric differentiation from their network of suppliers, carriers, and sources of insight.