This ad created for The Economist is designed with a motion sensor which lights up the bulb whenever somebody walks directly underneath it. Which could be disastrous. What if somebody walks underneath exactly as they're having a terrible idea?
This poster, focuses more on the affects of alcohol on the brain, and how it can cause serious affects on the roads. The joystick shows the maze of gear changes and how much alcohol affects the brain. The brain is also the shape of the gearbox.