Breathalyzers are expensive, so BACtrack decided to move the blood alcohol meter to the wrist and make it more accessible to the masses. The new piece in the ever-expanding range of wearable technology is called Skyn, and it uses sweat to determine blood alcohol concentration.
breathalyzer
Russian designer Vadik Marmeladov has created a face breathalyzer that is not only convenient, but also so chic that James Bond himself would use it.