(https://media.wired.com/photos/59329428a312645844995f4d/master/w_600,c_limit/AP120305028348.jpg)
Guy: I wrote a program that can predict the future.
Girl: Cool. Let's try it out.
Computer: Sixty years from now some dude in Iowa will be using computers to share pictures of cats and beer.
Girl: That can't be right. Your program is screwed up.