Presently the term otaku is used to refer to young Matrix users indoctrinated into life in virtual reality from a very young age . These users display amazing facility with computer systems, along with the same stunted social development as the original otaku . A popular urban legend describes otaku who achieve a kind of mystical " union " with computer systems, allowing them to access the Matrix without the use of a computer, using only a datajack and their own brains .