This is essentially one of the first modern theories of communication, articulated by Lazarsfeld and Katz in the 1940s.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Two-step_flow_of_communication" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Two-step_flow_of_communication</a>