Major music label EMI has taken the DRM plunge, agreeing to put its wares up for sale on the world's biggest online music store, iTunes, without DRM restrictions. It's been recently discovered, though, that each song sold through iTunes Plus -- the section of iTunes that sells the higher-quality, DRM-free music -- is marked with the name and e-mail address of the user who bought it.

The iTunes User Mark: Dangerous for File-Sharers