Pig is an automation platform designed to simplify the creation of complex workflows for Windows applications, leveraging AI technology. It offers a chat-based interface for prototyping workflows without any coding and provides an SDK for advanced automation needs. With Pig, users can integrate machine controls, build agents using the Agent API, and utilize a wide range of tools like click, type, and screenshot functions. Pig is ideal for automations that require seamless integration with human oversight, ensuring critical operations can be managed efficiently.