Advertising is a creative art that serves several purposes. The main purpose of advertisements is to persuade people to buy a particular product or service. In addition, an ad informs the reader about the product or service. For example, an advertisement for a car describes the key features of the car, and it may also include a tagline or an attractive picture to sway potential buyers. Moreover the invention of television and digital media, such as the Internet, most ads appeared in newspapers, magazines, and the radio. Today, businesses have a wide variety of advertising channels to promote their products and services.