I had a conversation a while ago about FM RDS, that thing which tells you what radio station you’re listening to on a big screen in your car, so you don’t forget. For some reason, this US radio company that I was talking to didn’t have RDS. The fundamental question from the radio guy? “Yeah, but how can I earn money from it?”

There was an interesting article recently in a US publication - Can Podcasting Increase Your Ratings? - and another from Dick Taylor, asking What’s Radio’s Why? - in essence, what’ ...