PROOF
The alcohol tracking wearable device
Screenshots
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Hunter's comment
Checking your blood alcohol content with a breathalyzer while out with some friends might just be a party trick.
but if you really wanted to know it to figure out whether or not you should have another drink, it might be awkward to pull one out.
Proof is a built around wearable sensors that detects various chemicals in your body based on perspiration from your skin with this wristband.
Link
http://www.milosensor.com/proof
Contributors
Hunter: 
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