
A podcast is an episodic series of digital audio files that a user can download in order to listen. Alternatively, the word “podcast” may refer to the individual component of such a series or to an individual media file.[1]
Podcasting often uses a subscription model, whereby new episodes automatically download via web syndication to a user’s own local computer, mobile application, or portable media player.[2]
Ben Hammersley originally suggested the word “podcast” as a portmanteau of “iPod” (a brand of media player) and “broadcast“[3][4] in 2004.
The files distributed are in audio format, but may sometimes include other file formats such as PDF or EPUB. Videos shared following a podcast model are sometimes called video podcasts, vodcasts or vlogs.
Some[who?] have labeled podcasting a converged medium (bringing together audio, the web, and portable media players), as well as a disruptive technology that has caused some individuals in the radio business to reconsider established practices and preconceptions about audiences, consumption, production and distribution.[6][need quotation to verify] Listeners usually consume podcasts free-of-charge, and one can often produce them for little to no cost, which sets them apart from the traditional 20th-century model of “gate-kept” media and their production tools. Podcast-makers can monetize their podcasts by allowing companies to purchase ad time, as well as via websites such as Patreon, which provides special extras and content to listeners for a fee. Podcasting is very much a horizontal media[7] form – producers are consumers, consumers may become producers, and both can engage in conversations with each other.[6]

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