This chapter introduces the concept of Generative AI (GenAI), starting with a basic overview. It takes you through the story of GenAI's evolution followed by an explanation of the role of neural networks. In the later part of the chapter, you learn how Generative AI works, potential use cases and limitations, and in-depth description of topics like synthetic data. It also covers Generative AI’s learning methods and topics like ethics, bias, and deepfakes.