Electronic discovery or e-discovery is the process of collecting, preparing, reviewing, exchanging and distributing electronically stored information (ESI) for legal requirements. Providing e-discovery service is becoming necessary for law firms which want to maintain a competitive edge on the global stage and to explore new opportunities made possible by legal technology. Information from emails, spreadsheets, social media posts and other digital sources can help attorneys build a better case when it is effectively reviewed and refined. Refining e-discovery is heightening the standard for attorney handling the ESI. E-discovery experts working in law firms provides advantage to clients looking to enhance data storage, complying with governance and reducing risk.