Internet Radio
Internet Radio is a fairly recent technology that uses the Internet to broadcast (or more properly: "webcast") a data stream to people who connect to the Internet radio station using a multimedia player. The FCC or other governmental authorities are not in the business of regulating the number Internet radio stations at all, so there are thousands of them all over the world. They can appear and disappear rather quickly.
Because there aren't limits on the number of stations as there are with real radio stations, there is an abundance of formats that these stations cover. Many of them are friendly to indie bands. Submitting your music to Internet radio stations is a good way to get your music played. And the payola problems that are present in commercial radio are largely nonexistent there.
Some Internet radio stations are explicitly indie stations. While those stations are good for airplay, we suggest that you try to get on a station that covers your style of music. Because Internet radio is not closed, why not try to played alongside popular songs for that style? The listeners that prefer the indie-band-only stations are people that like the newest, most cutting edge music. That audience is much smaller than the general listening public. Also, people often forget that indie music is not a style, it just refers to whether a band is on a big label or not. There are indie bands in country music as well as power punk, but they don't necessarily go side-by-side very well on a radio broadcast. You are better off finding a station that matches your style to get your music heard by fans that would like your music.
We would like to suggest which stations are best for submitting your music but the truth is we haven't spent time submitting to stations yet. We are still doing research for this. We promise to update this section as we learn more about this area. And, as we always say, we love hearing suggestions from you.