<http://schema.org/description>
"When it comes to podcasting there are two formats and lately bloggers seem to be getting confused about which one to use and when. Yet why is it that so many of us are using the video format when we should rely on the audio format?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://famousbloggers.net/audio-video-podcast.html>