Web 2.0 Question:

Podcasting is a way to share multimedia files over the internet for playback on mobile devices or computers. The term podcast can mean either the broadcast itself or the method of delivery. Anyone with access to the internet, a microphone and simple computer can create an audio podcast and make it available online. It is possible to subscribe to podcasts so that they will update automatically on a computer or mobile device. In that way, the subscriber will constantly receive new broadcasts as they are updated and produced. It is possible to find server space to store the file (usually mp3)