Pod casting seems to be one of the latest things. You download MP3 sound files and then listen to then or you can stream them live from an iPod or your computer. Here is a discussion that will help your listening and is of interest from a Journalistic point of view:

Suffragette Journalists at BlogHer 2005 (3.0)
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The discussion about whether bloggers are journalists is one that inspires
heated opinions. In this conversation from BlogHer, several blogger/journalists
discuss the relationship between blogging and so-called traditional journalism.
Moderator Lisa Stone asks Anastasia Goodstein, Chris Nolan and Evelyn Rodriguez
to share their experiences of the relationship between independent online
publishing and traditional media.

http://ipost.com/rd/9z1znl513j9fjl1eog26p51jietsnnlt57un48enc40