Merging tags with radio on the BBC

Following along the lines of Flickr and del.icio.us, this site offers a way for people to use their cell phones to tag and bookmark songs that they hear on the BBC. The idea being that, down the line, people will share their playlists and tags with each other, creating a viral marketing effect. It also allows the BBC and other marketing firms to gain quick access to marketing data and the latest trends of their listeners.