PreRoll also requires that the marketer retain permission from the production group of their spots to use it on the web. Most commercials are created with the idea of using them only in a broadcast medium.
Pre Roll can be a very effective tool to market your services. Captive targetted audiences are hard to find in mass media. Pre Roll advertising allows you to select the right sites and essentially force the viewer to view your spot. Players can work either on action, meaning the viewer must click to see a video or the player loads a plays automatically.