Guerrilla Marketing Papa Johns Pizza I almost could go either way with this one. It's funny and memorable. But because it blocks the actually view and the door would have to be opened to see who was there, it could backfire and be dangerous.
In Melbourne, Stop Child Abuse Now used child-size mannequins to represent children suffering neglect. Mannequins were placed around the city with a poster pasted over the top of the figure that read, “Neglected Children are made to feel invisible.