This document discusses electronic discovery (e-discovery) and the evolution of technology and legal demands in the 21st century. It defines e-discovery and electronically stored information (ESI), outlines the common forms and sources of ESI, and describes the stages of the electronic discovery reference model including identification, preservation, collection, processing, review, analysis, and production. It emphasizes the importance of preservation in e-discovery and explains why e-discovery problems involving volume and sources of electronic information are challenging. Finally, it pitches partnering with Pye Legal for e-discovery solutions that contain costs, reduce risks, and avoid sanctions.