DrnkPay puts a hold on a person's credit card once a certain number have been consumed
LEVL promises a simpler way of measuring body weight
The device can be used to monitor disease progression and support activities like diet and exercise.
A prototype breathalyzer developed by NTT DoCoMo monitors levels of acetone and lets the user know whether their body is burning lipids.
BreathalEyes uses the built-in camera to measure your blood alcohol levels by scanning eye movement.