HD-DVD. camp. to. Warnera#39;s. decision. was. one. of. stunned. surprise, . but. they. must. surely. have. know. this. could ... especially given their longtime concerns about digital piracy, which Blu-raya#39;s added BD+ protection was specifically designed to prevent a were slim to none. ... get in on the action by extolling the virtues of watching HD-DVD movies via the Xbox 360 in his CES keynote address.