What is "rolling news"?

Rolling news: the latest news, rolling broadcast, constantly refreshing, not staying on a certain news.

News refers to the information spread through newspapers, radio stations, TV stations, the Internet and other media channels. The concept of news has broad sense and narrow sense. Broadly speaking, except for comments and articles published in newspapers, radio and television, commonly used words belong to news, including news, newsletters, features and sketches (some of which are included in features). In a narrow sense, news refers to news that quickly and timely reports valuable facts that have happened recently at home and abroad with general narrative methods and relatively concise words.