About PodcastingA podcast is a digital media file, or a series of such files, that is distributed over the Internet using syndication feeds for playback on portable media players and personal computers. The term "podcast," like "radio," can mean either the content itself or the method by which it is syndicated; the latter is also termed podcasting. The host or author of a podcast is often called a podcaster. The term "podcast" is a portmanteau of the acronym "pod," which stands for "Portable On Demand" content, and broadcast, where "cast" refers to the idea of broadcasting the content. The meaning of the word "pod" has also been attributed to Apple's portable music player, the iPod, but the acronym "pod" not only predates the iPod itself, it adequately explains the concept as well. Subscribing to a PodcastThe act of "subscribing to our podcast" is handled by a users PC (personal computer). A user must have a program installed on their PC that knows how to interpret RSS files (download iTunes or Juice). To subscribe to our podcast, the URL to the podcast file must be entered into the podcast program that the user has installed on their PC. Usually, the podcast software has a button that allows users to enter a URL to the podcast. Once the user clicks the button and they enter the URL to the podcast, the program will access the RSS file, interpret it and display the contents of the RSS XML data so that humans can read it. These podcasting programs will also periodically visit the RSS file to see if the file has new information contained in the RSS file that has not yet been downloaded, hence the term "subscribe."
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