You have only 30 seconds in a TV commercial. If you grab attention in the first frame with a visual surprise, you stand a better chance of holding the viewer. People screen out a lot of commercials because they open with something dull. When you advertise fire-extinguishers, open with the fire.
David OgilvyIf you ever have the good fortune to create a great advertising campaign, you will soon see another agency steal it. This is irritating, but don't let it worry you; nobody has ever built a brand by imitating somebody else's advertising.
David Ogilvy