Radio Pop is an interesting experimental site from the fantastic BBC radio labs.
It is a sort of soical network site for radio listening. It only records your listening through the ‘radio pop’ live streams. I (like many) mainly listen to listen again and the radio iplayer, and they are working on intergrating with both. You can see my profile here.
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You can ‘pop’ what you are currently listening to (basically a ‘i like this’ button). I’ve added my ‘pop’ rss feed to my dipity timeline.