'AI Avatar' refers to a virtual representation of a person or entity that is powered by artificial intelligence (AI) algorithms and techniques. These avatars can be created to interact with humans in a variety of ways, such as customer service, entertainment, or education. AI avatars can be designed to mimic human behavior, speech, and emotions, and can use natural language processing (NLP) to understand and respond to spoken or written language. They can also use machine learning algorithms to learn from past interactions and improve their responses over time. AI avatars can be used in a variety of industries, including healthcare, finance, and education, as well as in virtual reality and gaming. However, there are concerns around the ethical and social implications of creating AI avatars that can mimic human behavior and emotions too closely, as well as issues around data privacy and security.