MUD
In between bubble and burst, e-commerce drew much of its content from donated labor. Tiziana Terranova questions just how "free" such labor has proved in practice.
Urging adaptibility and breadth, Mark Poster takes issue with the niches bored by early Internet critiques.
The builder of Façade, an "interactive story world," Michael Mateas offers both a poetics and a neo-Aristotelian project (for interactive drama and games).
In response to Perlin, Victoria Vesna reiterates the unique realism of games.
Stuart Moulthrop complicates the idea of self-contained games.