In the world of advertising, grabbing the viewer's attention is key.

Sure, you could just list off the benefits of whatever you're selling in a straightforward manner, but is that going to leave an impression?

You want your audience to take notice. You want to keep them thinking about your ad for days and weeks afterward — to infect their brains with a little consumerist parasite that reminds them to cough up their money in pursuit of a false sense of fulfillment. So anything you can do to make your ad stand out from the crowd is a good thing, right?