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
William Headline bureau chief in Washington, D.C., filling a position that had been occupied by six different individuals in the three years before he was hired. As bureau chief, Headline oversaw the growth of CNN Washington bureau from 80 to 350 staff members. He remained as bureau chief until 1996, when CNN named him to serve as the vice president managing special projects and pool assignments. He served as the chairman of the Washington-based Radio and Television Correspondents' Association. Headline left CNN in 1998 and became the executive director of the Voter News Service, a consortium of television networks and newspapers that