agency
Phoebe Sengers discusses the Expressivator and socially situated AI.
Natalie Jeremijenko asserts that machine speech should re-awaken us to "the peculiar structure of participation that we take for granted."
Nick Montfort argues that the contentious notion of the "player character" usefully constrains and makes possible the player's interaction with the gameworld. He considers the possibility that in interactive fiction one plays the character (like an actor plays a role) rather than playing the game.