Electric Sheep

Draves is best known as the creator of the Electric Sheep, a continually
evolving abstract animation with over 60,000 daily participants.

"When a computer goes to sleep, an open-source, peer-to-peer, screen-saver connects it with other silicon somnambulists via the Internet, sharing the work of generating fractal animations known as ‘sheep’ ". book,page.26

you can find more information on:

http://hifidreams.com

http://draves.org/art.html