The most common style of radio station is music-based commercial radio. This includes stations like Capital, Heart, and Kiss which target broad audiences like 25-54 year olds. The BBC also operates many music stations like Radio 1, aimed at younger audiences aged 15-29. Radio 4 is a public service station with a mixed format of news, current affairs, and spoken content targeting an older audience mainly over 35. Overall, radio remains a popular medium with over 800 stations in the UK, targeting a wide variety of audiences through music, news and speech-based programming.