Talk shows became more and more popular on from the 1970s onward, as AM stations began to play less music. Today talk shows are heard on AM, FM, and also radio stations, , and the Internet. Larry King began his career on radio, and "crossed over" to television after many years as a popular host. Howard Stern led the trend of "", using profanity and personal topics to make his show more exciting. Art Bell talked about controversial topics, like UFOs and possible government conspiracies.