Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Playfulness in 3D Spaces (01 Mar 1998) Article URL: http://www.shirky.com/writings/quake.html Read 99 more articles from Clay Shirky sorted by date, popularity, or title. Next Article: The New Information Professional This site is a labour of love built by Chris McEvoy