Two-step flow of communication

The two-step flow of communication model says that most people form their opinions under the influence of opinion leaders, who in turn are influenced by the mass media. In contrast to the one-step flow of the hypodermic needle model or magic bullet theory, which holds that people are directly influenced by mass media, according to the two-step flow model, ideas flow from mass media to opinion leaders, and from them to a wider population.

Source: Wikipedia — Two-step flow of communication (CC BY-SA 4.0)