News ticker a map of an entire state or the station's viewing area (through a system known as First Warning). In both cases, the start of the ticker's cycle was often accompanied by an attention signal, such as warning tones, an abbreviated cut from the station's news theme or a jingle used by their affiliated network (such as the NBC Chimes). The first network to utilize a continuous ticker was CNN Headline News. In 1989, the cable network introduced a ticker that initially featured stock market data with indexes of the major stock exchanges (including the Dow Jones Industrial Average, NASDAQ and
CNN effect had donated $500 per person affected by the tsunami, compared to just 50 cents for each person affected by Uganda’s 18-year war." CNN effect The CNN effect is a phenomenon in political science and media studies which states that CNN's use of shocking images of humanitarian crises around the world compels U.S. policy makers to intervene in humanitarian situations they may not otherwise have an interest in. The 24-hour international television news channel known as Cable News Network or CNN, had a major impact on the conduct of states' foreign policy in the late Cold War period and that CNN