> If software and hardware could be ‘sealed’ in some way to prevent an attacker from examining data in main memory, even if the attacker had administrator level privileges on the machine

1. all it takes is one DRM free copy on bittorrent to make this scheme fail

2. how would they prevent me from grabbing images on the screen and turning them back into books? Or scanning a physical book.

3. blind people need to do this conversion anyway, to run the text through text to speech

Remember, it only takes one DRM-free copy on filesharing to make the DRM invasion a useless failure.