This document provides an overview of artificial intelligence (AI), including its history, current applications, and potential future. It discusses early developments in AI from the 1940s through 1990s and its increasing use today. Current applications covered are expert systems, natural language processing, speech recognition, computer vision, robotics, and automatic programming. The document considers both positive potential futures where AI assists humans and negative risks like autonomous robots harming people. It concludes that AI has increased understanding of intelligence while revealing its complexity.