Not the modern concept of robots, but where the word originated. Read public Project Gutenberg version because this play is that old! And it shows. 1920s attitudes exhibited towards women, outdated/racial slur language for indigenous and black people used. Pretty dark content, reflecting on humanity's faults, what happens when you only view a being for how it can produce value, if it acts how you expect. 'Superior' being rhetoric creeped me out.