First, if you were interested in the computer-generated ringtones
Wolfram is selling, check out Wolfram Tones: An Experiment in a New Kind of Music
(I suppose he's reinventing music, as well). You can listen to them on the website, share them with friends, and download them to your cell phone -- the last for a fee of about $2.
Another bit of follow-up is something I'd been meaning to post for a while, but I was waiting to get my blog account. Since we were talking about computer-generated art, it seems particularly appropriate to link to it now. For the last few months, I've been using a screensaver
called Electric Sheep
(the name of which, as you may know, is a reference to Philip K. Dick
's Do Androids Dream of Electric Sheep?