Fool Proof? New wearable technology monitors inebriation

In 2015, I mentioned a prize being offered to the first company that could create a wearable device that continuously monitors your blood alcohol concentration. Less than two years later, it's now possible to buy one – although the first tranche of devices has already sold out via the Indiegogo page set up by its creators BACtrack.

For those of us who drink or taste wine regularly – especially professionally – it has never really been feasible to measure how much alcohol you are absorbing. Portable breathalysers are only a partial solution because they require a 30-minute pause between the...