This document provides an overview of conversational AI and discusses narrow artificial intelligence. It begins with background on industrial revolutions and the evolution of chatbots. It then explains how most AI chatbots work today and discusses the development behind them. It notes the difference between narrow AI, which performs repetitive tasks with limited abilities, and general AI, which can perform many tasks and self-program. The document outlines keys steps to practical narrow AI, including predictability, explainability, security and transparency. It discusses the importance of good digital identity and its role in facilitating interactions between individuals and institutions.