I've enjoyed many interesting podcasts from ABC Radio National as I walk around near my home. I was delighted to explore the recommended sites and find there are more sources for my interest.
There are numerous applications for this technology in the school situation, notably a task I know of at my school where students create a fictitious radio interview with an author of a novel they have read in a wide reading task. The hard part is getting the teachers to accept and use the technology.
I've included the RN Book Show to my Google Rader subscriptions. Now I have to get into the habit of checking the feeds there!