What are the agenda setting and gate-keeping functions of media?

Media plays a very important role for society. Media has the job of informing and posting questions that would insight thought. Media is multi-faceted in that there are many outlets for the media to communicate to people. Media is involved with television, books, radio, internet and newspapers. Media is important because it has the ability to influence people and sway views. Media sets the tone for public opinion by introducing issues that they think should be highlighted. Sometimes media introduces and persuades participants that the agenda presented should be important to the public as well. The agenda demonstrates what we watch, listen to, and even what we do. Music is popularized by the media coverage influence the young as well regardless of intent. We fashion many aspects of our lives based on what we see and hear from the media.