An advertising campaign involves the development and placement of a series of strategic messages that are united by a core theme. The strategic messages are intended to promote a product, a service, or an idea among a specific group of people. Advertising campaigns usually have specific objectives or goals, such as increasing people’s awareness of a product or service, changing people’s attitudes toward a product or service, or enhancing people’s demand for a product or service. To ensure that a specific group of people can receive them, the strategic messages appear in various media channels across a specific time frame, such as newspapers, magazines, radio, or the Internet.

To build up the advertising objectives, advertisers need to obtain information on the relevant market for the product/service, ...