Reusing broadcast radio/video content. For small broadcasters who have little budget and who need to swap content. System is for the journalists not the listeners. Intelligent audio search and retrieval. Simple DRM mechanisms.
Small community radio stations, often have a stream online. StreamOnTheFly created a structure of nodes which exchange metadata but not the audio files. Each node carries content, metadata, classifications, stats and feedback. Portal provides way for people to follow what content is relevant to them.
[Note: This sounded like a really good idea, but I kinda lost my focus a bit, hence the short notes.]