This document discusses how CSX, a freight railroad company, used Elastic to gain real-time insights into their business data. It describes CSX's need to analyze data from various systems and sensors to improve visibility, maintain train-locomotive associations, and democratize access to data. The document outlines how CSX implemented Elastic to explore data without impacting systems, synthesize data streams, and develop proofs of concept like tracking PTC compliance and locomotive faults. This has helped CSX better understand their data and share insights with business partners.