This was really hard for me to find, so I’m reposting it here for reference.
Last update: July 17, 2006
Recording the TWiT podcasts is a work in progress. I’ll update this page as we refine our techniques. Our goal: to record the voices of two to six simultaneous participants in disparate locations, maximizing audio quality while [...]

After two years of service, Yahoo! has announced that Yahoo Podcasts will be shutting down on Halloween, October 31st, 2007. The site never came out of beta.
There’s not much information– just an underlined non-link now on the top of the site which states: “Yahoo! apologizes deeply, but we will be closing down the Podcasts site [...]