Bose create new noise cancelling headset

Bose have release a new headset which lets you cancel out sound and enjoy the sound of silence. Pretty nitfty. If only everything came also in these cancelling and "anti" forms, for example I can imagine anti-salt, when you accidently add to much salt in that favourite dish, or soup. Now that would be something! Here is an article on the new Bose headphones from Technology Review.