the theory and development of computer systems able to perform tasks normally requiring human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages.
.....Didnt kayaba creat that a long time a go?
U know Yui, Kirito and asunas ``kid``
i hope u didnt miss this creating the hole story line to this season.
Spoiler alert :
Oh my God! Its gonna feel like fate already, since if you really haven't watched Sao season one , you should go and finished then only come back here, then only you will had all the feelings came back at you at once