A lot has changed since the Federal Rules of Civil Procedure (FRCP) were first enacted in 1938. Yet the goals of discovery—and the Rules governing its conduct—remain as simple now as they were then. In a nutshell, parties should be able to identify, review, produce, and use relevant data to establish their claims and defenses during litigation and enable their opponents to do the same so that the deciding court hears a full and fair presentation of the issues.