In their latest blog piece, "Advertising on iHeartMedia," the Radio Agency explores the potential for advertising on the radio conglomerate that is iHeartMedia. Owning 850 stations, serving 150 of the 272 radio markets in America, iHeartMedia is undoubtedly a Titan within the AM and FM spheres. Collaborating with the music industry's rising stars through Premiere Networks, they also produce concerts and award shows.