BBC Radio is experimenting with a project to let radio listeners mark up its downloadable audio in order to produce useful, user-centric guides to the gigantic corpus of audio that the Beeb produces every day. Online Journalism News has a great explanatory article on it, off the back of Tom Coates's blog entry on the project
(Via Boing Boing.)
This is cool. In effect, the BBC is using the user generated content approach, and they are doing it for audio. Nice.