Originally Posted by Djay
"A demo is the result of the cooperation of multiple young programmers, music and graphics artists. They work as a group (demogroup) on a demonstration program (demo) in which they show their skills at graphics and algorithmic programming, computer generated graphics and music. With these demos the groups then compete with others at large parties in various competitions all over the world."
straight from scene.org... now we need a short version
Demo: Pretty lights and jingles on a computer for the amusement and contention between software authors.
Hows that? Do I win £10?