<P> A podcast is an episodic series of digital audio or video files which a user can download and listen to . It is often available for subscription, so that new episodes are automatically downloaded via web syndication to the user's own local computer, mobile application, or portable media player . </P> <P> The word arose as a portmanteau of "iPod" (a brand of media player) and "broadcast". Thus, the files distributed are in audio format, but may sometimes include other file formats such as PDF or ePub . Videos which are shared following a podcast model are called video podcasts or vodcasts . </P>

What is the function of podcast in iphone
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