Knowledge shared among peers is often afforded more credibility than information from manufacturers. An approximation of that principle is at work in the use of case studies as marketing tools in the physical security industry. Case studies are aimed at telling real-world success stories – from actual customers – about how various technologies are used to accomplish security goals and make the world a safer place. But how useful are they? We asked this week’s Expert Panel Roundtable: What are the benefits of case studies as a marketing tool in the security industry?