This document provides an overview of the history and evolution of media in the United States. It discusses how media has evolved from traditional print newspapers to incorporate radio, television, and the internet as new forms of information dissemination. While the core goal of informing the public has remained the same, the ways information is delivered and consumed has significantly changed over time. The document also examines the relationship between the media, the government, and the public and how media influences perceptions through agenda-setting, priming, and framing of issues.