Adam L. Penenberg proposes that Apple run iTunes like a stock market, with price determined by demand. “The more people who download the … gulfstream/1901
Um, is it not really weird that the purchaser of the 1 billionth song on iTunes gets (as well as Apple goodies) a scholarship at Julliard established in … gulfstream/1997
Macworld | Mac OS X Hints | Set some missing iTunes 8 preferences
... including turning "genre" off
Alloc Init | Applications | Breakaway
"Take control of your music with Breakaway. Hit your mute button, and iTunes pauses. Hit it again, and your music plays again. Pull out your headphones, and iTunes pauses. Plug it back in, and it starts again."
Software - Deusty Designs
enables itunes sharing (and downloading) across the internet
Software
example program to watch for os x event notifications, such as itunes track change
Deleting iTunes Tracks from Playlists - The Apple Blog
Cory Doctorow: “OMG DRM is r33ly bad!” at PlaybackTime