This document provides an overview of virtual agents and their role in customer service. It begins with an introduction to virtual agents and their benefits, such as being available 24/7 and at a lower cost than human agents. It then discusses trends driving interest in virtual agents and why they are useful now. The document outlines best practices for implementing virtual agents and integrating them with live agent channels. It provides an example case study of a telco provider that improved customer satisfaction using a virtual agent and seamless transition to live chat.