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What's a Podcast?

The short, non-geek answer is that it’s like an internet radio broadcast that you can download and listen to either on your computer, or via an MP3 player. Amateur radio hosts create the files, and post them to the Web. You then use a special bit of software to download this "broadcast" to your computer; depending on the software, that process can be automatic.

The technical answer is that a podcast is a digital audio file (usually an MP3, occasionally a BitTorrent) that's been embedded into an RSS 2.0 feed. Podcasting takes its name from its earliest incarnation, which was as a tool for downloading audio files to iPods, but the podcast-reading software now support a variety of MP3 players, and if you don't have one of those, you can just listen to them on your machine [1].

Podcasting works the same way, with one exception. Instead of reading the new content on a computer screen, you listen to the new content on an iPod or iPod-like device [2].

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