80 Extreme Advertisements That Will Challenge Your Mind. An advertisement’s aim is to instantly attract the attention of viewers. Some use humour to draw viewers’ attention, but there are other kinds of advertisements that go to extremes to present something different. As a follow up to our previous article 60 Humorous Advertisements That Will Tickle Your Bones, today we look at the opposite extreme to using humour in advertisements. Presenting another side to design, some of the advertisements shared in this article today may be a little visually disturbing or conceptually controversial.