This document defines artificial intelligence and discusses its history and current applications. It begins with definitions of AI and discusses early pioneers like Alan Turing. Currently, AI is used in digital assistants like Siri, intelligent games, robotics, and more. Challenges for AI include computing power, intuitive thinking, and judging ability. The future of AI is predicted to include self-driving cars, medical advances, and exploration. Pros are precision and repetitive tasks while cons include costs, lack of creativity, and potential job losses or human dependence on machines. The conclusion restates that AI aims to create machine intelligence through designing intelligent agents.