This document discusses the evolution of chatbots to digital assistants and how digital assistants are more advanced than chatbots. It explains that digital assistants can start conversations proactively, perform multiple tasks simultaneously using different skill bots, and utilize AI to make predictions and recommendations. The document provides examples of how a digital assistant can route users to different skill bots based on their needs and allow apps to initiate conversations. It also demonstrates how a digital assistant can parse multiple entities in a user's request and perform validity checks.