I’m not a podcast person, but this podcast index is rather handy. It appears that they’re gathering the disparate podcast namespaces into a collective namespace — there’s even a podcast feed generator. Might be useful if you’re into podcasting.
Perhaps the only benefit of being behind a on an increasingly centralizing Internet is conserving time. Playing the “are you human” captcha game is an excellent incentive for minimal browsing and off-lining as much software as possible.
Naming things is hard. For the times when you don’t know what or how to name things, there’s schema.org. Sometimes it helps.