It looks like Apple is getting a bit more serious with the back and forth antics between it and the jailbreak community.
The latest casualty in the hacking war is iBooks, or more accurately, people that use iBooks.
Basically Apple has implemented anti-jailbreak measures in iBooks, and I have to admit, it's kind of sneaky the way they pulled it off.
How'd they do it? Check inside for the video evidence...