Podcast

A podcast is an episodic audio or video program distributed online, commonly through subscription feeds or digital platforms. Episodes can be streamed or downloaded for later playback.

RSS: A web feed format that publishes updates in a machine-readable document. Podcast RSS feeds list episodes and let compatible apps detect new releases.
Web syndication: The distribution of website updates through standardized feeds that other services can retrieve. Podcast subscriptions adapted feed-based syndication to recurring audio episodes.
Podcast journalism: Journalism produced and distributed as podcast episodes. News programs use the format for interviews, reporting, and narrative investigations.
Radio: The transmission of audio programs through radio waves or internet services. Radio typically schedules broadcasts, while podcasts are organized for on-demand episodes.
Podcast hosting: A service that stores podcast audio files and makes them available online. Hosts supply episode files and often generate the feed directories and apps read.
iPod: Apple's portable digital media player, first released in 2001. The device helped popularize carrying downloaded audio episodes for listening anywhere.
Educational podcast: A podcast designed to teach a subject or support learning. Episodes can deliver lessons and explanations on demand.
Internet radio: Audio programming streamed continuously over the internet, often in scheduled channels. Its live or continuous streams differ from podcasts' discrete episode catalogs.
Podcast directory: An online catalog that indexes programs and helps users find or subscribe to them. Directories make a podcast discoverable without replacing its episode hosting.
Adam Curry: A former MTV presenter and early developer of podcast distribution tools. Curry helped automate the delivery of online audio to portable players.

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