There are a ton of podcasts creeping up everywhere, and many lists of podcast by categories springing up all over the internet. Podcasts have recently been used in the classroom of several colleges as a new tool for teaching and sharing information.
Podcasts from GM and other big corporations are becoming mainstream, much like having a blog is like having a web site, is like having a podcast these days.
Click the buttons to the left to get more specific podcast information.
Also be sure to see the podcast info at about.com
The iPod, and Itunes at Apple.com