The way radio is consumed has changed drastically over the last decade.  The multitude of delivery systems has created many options for listeners as well as advertisers.

Radio remains relevant in today’s world of time-starved consumers. As the original mobile and social medium, it provides programming content meeting the entertainment needs of people according to their demography, geography, ethnography and more. On nearly 11,000 commercial on-air stations, over 7,200 streaming stations and more than 2,200 stations broadcasting multiple HD Radio channels. (Source: FCC; MStreet; Inside Radio, 2014) (Source: iBiquity/HD Radio, January 2015)