Media Presenters should know about broadcast journalism, media production, communication, media ethics and editorial writing. He would require good reporting skills and excellent oral and communication skills in order to carry out duties in a tight schedule such as presenting news stories or covering breaking news. Announcers are expected to be up to date with current events or a specific field, such as politics or sports, so that they can comment on these issues during their programs. In addition, they schedule guests on their shows and work with producers to develop other creative content. Radio DJs typically specialize in one kind of music genre and announce selections as they air them. They may take requests from listeners, manage radio contests, or announce traffic conditions.