I have a test of nerves for you. I want you to go grab $200 in twenties and some plastic wrap. (Look in the kitchen for the plastic wrap; you're on your own for the cash.) Wrap the cash in the plastic. Now find a kid, preferably one of about elementary-school age.

A five-second pre-roll combined with a ten-second lower 1/3 ad unit takes top prize as both the most effective and the most audience-friendly ad product for short-form online video, according to "Project Inform," a new study unveiled today by MTV Networks.