The document provides an overview of artificial intelligence (AI) concepts and applications through a 4-module online course. Module 1 defines AI and common applications like healthcare, education, and customer service. Module 2 covers machine learning, deep learning, neural networks, and their various applications. Module 3 discusses issues around AI including privacy, job disruption, bias, and ethics. Module 4 explores the future of AI and how to start a career in the field.