Podcasting is taking off and Adam Curry continues to categorize newly found content to grab and absorb.
It seems to me that as this continues to extend beyond geeks talking geek- speak (which I could handle endlessly), that areas ripe for podcasting include:
There's a lot of fertile ground left here.
Also, check out Open Podcast. You can call in or send in an mp3 that gets subsumed into the OpenPodcast rss feed. How long until we have Dear John podcasts?