Related:

• demoscene /dem'oh-seen/ [also `demo scene'] A culture of multimedia hackers located primarily in Scandinavia and northern Europe.
  Demoscene folklore recounts that when old-time warez d00dz cracked some piece of advertisement of in the beginning, usually containing colorful display hacks with greetings to other cracking groups....
• demoparty n. [demoscene] Aboveground descendant of the copyparty, with emphasis shifted away from software piracy and towards compos.
  Smaller demoparties, for 100 persons or less, are held quite often, sometimes even once a month, and usually last for one to two days....
• demoeffect n. [demoscene] What among hackers is called a display hack.
  Classical effects include "plasma" (colorful mess), "keftales" (x*x+y*y and other similar patterns, usually combined with color-cycling), realtime fractals, realtime 3d graphics, etc....
• demogroup n. [demoscene] A group of demo (sense 4) composers.
  Job titles within a group include coders (the ones who write programs), graphicians (the ones who painstakingly pixelate the fine art), musicians (the music composers), sysops, traders/swappers (the ones who do the trading and other PR), and organizers (in larger groups)....
• doubled sig [Usenet] n. A sig block that has been included twice in a Usenet article or, less commonly, in an electronic mail message.
  An article or message with a doubled sig can be caused by improperly configured software....
• Real computer scientists despise the idea of actual hardware.
  Hardware has limitations, software doesn't. It's a real shame that Turing machines are so poor at I/O....