Podcasting is the distribution of multimedia files, usually audio or video, that can include text as captions and notes, through a system of syndication (RSS) which allow one to subscribe and use a program that is downloaded to the user to listen to when you want generally in their spare time. No need to be a subscriber to download.
With podcasting you have a set of subscriptions that are checked regularly for updates and instead of reading the feeds on your computer screen, you listen to the new content on on your iPod.
The format used for podcasting is RSS 2.0 with enclosures. The podcasting enclosures refer to all binary (non-text) downloads. You can read the text description of the enclosure before downloading the item to view.
Bibliography:
"Podcast." Wikipedia. Wikimedia Foundation, 19 Nov. 2013. Web. 20 Nov. 2013. <http://en.wikipedia.org/wiki/Podcast>.
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