clicklog

Deauthorization reminded me what iTunes DRM is.

FairPlay
http://ja.wikipedia.org/wiki/FairPlay

• Authorize up to 5 computers
• Authorize (able to sync to) unlimited number of iPhone/iPod
• Able to create 7 CDs

Good part is you can sync to unlimited number of iPhone/iPod. (This means "authorized computers" don't include iPhone/iPod)