Web Radio is not the same as Podcasting
Here's a really interesting article by Hiawatha Bray of the Boston Globe about Web Radio, reminding us that there's a whole other world out there that is related to but quite different from PodCasting.
"Thousands of others share a similar affliction, thanks to Internet technology that lets anybody with a little money set up an online "radio station." The term isn't quite right, since the Internet uses wires, not radio waves, to transmit music and chat. But Internet broadcasting has grown in popularity to the point where it's become a significant alternative to traditional radio, and an appealing venue for major advertisers."