This chapter covers various key aspects of Edge AI. It then describes centralized AI learning and federated learning followed by the newly emerging domain of generative AI. The chapter concludes with a coverage of embedded AI and load balancing considerations. At a detailed level, we look at the benefits and challenges for each of these technologies, including delving into Transformers and Vector databases, which form the backbone of Gen AI. We wrap up this chapter with a review of Edge AI applications and future trends.