Part I. Computer-Based Signs -- 1. A semiotic approach to programming Peter Bøgh Andersen -- 2. Structuralism, computation and cognition: the contribution of glossematics -- 3. The shortest way between two points is a good idea: signs, Peirce and theorematic machines -- 4. Logic grammar and the triadic sign relation -- 5. Meaning and the machine: toward a semiotics of interaction -- Part II. The Rhetoric of Interactive Media: -- 6. Narrative computer systems: the dialectics of emotion and formalism -- 7. Interactive fiction: artificial intelligence as a mode of sign production -- 8. Plays, theatres and the art of acting in the eighteenth century: a formal analysis -- 9. The meaning of plot and narrative -- 10. Face to interface -- 11. Drawing and programming -- 12. Hypermedia communication and academic discourse: some speculations on a future genre -- Part III. Computers In Context: -- 13. Computer culture: the meaning of technology and the technology of meaning -- 14. One person, one computer: the social construction of the personal computer -- 15. Hi-tech network organizations as self-referential systems -- Comment: disturbing communication -- 16. Dialogues in networks -- 17. Historical trends in computer and information technology -- Comment: the history of computer-based signs -- 18. A historical perspective on work practices and technology -- 19. Hypertext: from modern utopia to post-modern dystopia?