Naughty theme has been used in advertising ever since the beginning. From a marketing point of view, this style can have biological, emotional/physical or spiritual aspects. This type advertising works so well because of a simple factor; people are curious about the topic. Advertising used women in naughty roles and poses more often than men. In recent years however, the use of female models in such roles is believed to attract the attention of potential male customers. Ironically, research shows that most major purchases are made by women. Check out 15 inappropriate advertisement examples below.