podcast, huh?

Vinnie's comment about podcasts raises the question: what is the difference between a podcast, streaming media, and audioblogs? I found this table at podcastresearch.com. It pretty much encapsulates the differences. Not all audio files are podcasts.

Relative Differences in online audio delivery channels

	Webcast	Audioblog	Podcast
Requirement	Streaming server / client software	Web browser & mp3/wav audio player	Podcast Aggregator Software
Delivery	Streaming	Download	Download/Torrents
Published	Web page	Blog	RSS 2.0 feed
Timeliness	Real Time / Pre-recorded	Pre-recorded	Pre-recorded
Cost	Expensive	Cheap	Cheap
Technical Expertise	High	Low	Medium
Examples	SHOUTcast	Audioblogging	Last 100 Podcasts

table thanks to podcastresearch.com