«Podcast audience is growing “tremendously.” That’s according to Edison Media Research, which found the number of Americans who downloaded and listened to an audio podcast grew from 13% to 18% in the past year. Edison Research VP Tom Webster says stations should create as much "podcast-able content" as they can. Report HERE.» Inside radio, 28/05/08

De acordo com o estudo: 12-17 anos 15%, 18-24: 13%; 25-34: 21%; 35-44: 21%: 4-54: 20% (slide 12)