Would you want to share your most closely held business secrets with MicroSoft?
The differences between Blu-ray and HD-DVD are minimal.
Video Codecs: Identical
Audio Codecs: Identical
Encryption (AACS): Identical
Encryption (BD+): Unique to Blu-ray
BD-J: Java implementation, not unique to Blu-ray
So which closely held business secrets are there in all of this?