I just see too many issues with this. What happens if you're alking on your cell phone, or screaming at other drivers? Will the car pick up a random line & think you're telling it to do something you're not? I guess we'll soon see, either way...

"Developing voice-activated controls for autos is a demanding task due to interference caused by wind noise and the rumble generated by rough road surfaces. To improve the accuracy of the systems, the computing giant is taking a creative tack, supplementing the audio input with a video channel programmed to read lips."