There are a lot of non-profit campaigns to make people aware that drinking and driving don’t go to well together. But this campaign is by far one of the most creative so far. The ‘Pissalyzer’ is a little black square installed in the urinals. If you pee longer than about 25 seconds (the average, supposedly, if you’ve drunk one pint of beer), a message magically appears in the box recommending that you take a cab home.