DVDs with Built in USB Ports for Copy Protection

Aladdin has come up with a new way of restricting the data stored on optical discs. It’s XCD format has a chip built directly into the disc and which fits into a USB port. So, a user needs to plug the disc into their computer to access a cryptophic key before being able to use the data stored on the disc (presumably in some sort of proprietary player) — via Slashdot