This document provides an overview of chatbots including their history, current uses, and future potential. It discusses how chatbots started with personal computers and adapted to use the internet. Chatbot usage has grown significantly in recent years, reaching over 1.5 billion users. The document outlines how chatbots can be used for branding, marketing, sales, and customer support. It also discusses how chatbots work using AI to understand user questions and provide personalized answers. The creation process for chatbots is reviewed including studying user needs, designing scripts, implementing the bot, and updating it based on performance data. Potential application areas like health, banking, and voice assistants are highlighted.