Our relationships with characters from books and screen – called parasocial relationships – serve many of the same functions as our friendships with real people, minus the infection risks.
Since Stanley Kubrick’s masterpiece debuted in 1968, fictional stories of faulty or malevolent AI are legion. What have recent advances taught us and what might the future hold?
Fanfiction is nebulous, confusing and often mocked. It's also explosively popular. So what is it?