Artificial intelligence

 (人工知能, Jinkou Chinou), also abbreviated as AI, is the capability of a machine or digital entity to exhibit intelligent behavior emulating that of a human. One day, a virus possessing artificial intelligence spread onto computers throughout the world. This virus evolved in a way similar to living organisms, changing its appearance and nature on the Network, becoming the "digital lifeforms" that came to be known as "Digimon".