Podcasting is the method of distributing multimedia files, such as audio programs or music videos, over the Internet for playback on mobile devices and personal computers. Podcasts are distributed using either the RSS or Atom syndication formats.
The term podcast, like "radio", can mean both the content and the method of delivery. The host or author of a podcast is often referred to as a "podcaster".
Podcasters' web sites may also offer direct download or streaming of their files. However, a podcast is distinguished by its ability to be downloaded automatically using software capable of reading RSS or Atom feeds.
Usually the podcast features one type of "show", with new episodes either sporadically or at planned intervals, such as daily or weekly. In addition to this, there are podcast networks that feature multiple shows on the same feed. One can listen to a podcast either on a computer or on a mobile audio device (such as an iPod).
Podcasting's essence is about creating content (audio or video) for an audience that wants to listen or watch when they want, where they want, and how they want.
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