Lick this to see how much alcohol you have in your blood

Drunk a fair bit, but still think you're fine? This bit of new technology can help confirm your blood alcohol level (and how drunk you actually are) with just a lick. — AFP

Could rethinking the breathalyzer make it more practical to monitor your alcohol consumption while out and about?

Whether at a (too) drunken party or in the middle of a festival, the breathalyzer's lack of practicality is a brake on the use of this essential self-testing tool, especially before getting behind the wheel.