This document discusses the strategic roles of physical evidence and servicescapes in customer service. It defines physical evidence as the environment where a service is delivered and customers interact with employees, including any tangible items that facilitate performance. The document outlines different types of physical evidence and servicescapes, and identifies four key roles they can serve: as a package to set expectations, a facilitator for service processes, a socializer between customers and employees, and a differentiator from competitors. It concludes by providing six steps for developing an effective physical evidence strategy.