Clearly there's no interest in a matrix screensaver
Okay, so clearly it's a challenge to find a task that is worth multiple people doing, is fun, can be done by novices and experts alike, and preferably useful.
So for now, I was thinking of 'coolest particle effects demo'. They look darn cool and can be done in both 2D or 3D.
And a basic one is easy-ish, but an advanced one can be made too.
Any language is allowed.
If you dunno what I'm talking about - look at these links:
You're also welcome to use an editor or make your own. At the end of the day though, the competition is for a cool demo.