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New to RSS? If you've never used RSS before, we'd like to direct you to the Wikipedia definition of RSS and its usage.
RSS is a family of feeds used to publish frequently updated digital content,
such as blogs, news feeds or podcasts. Consumers of RSS content use special
browsers called aggregators to watch for new content in dozens or even hundreds
of web feeds. The initials "RSS" are variously used to refer to the following
standards:
* Really Simple Syndication (RSS 2.0)
* Rich Site Summary (RSS 0.91, RSS 1.0)
* RDF Site Summary (RSS 0.9 and 1.0)
Usage Programs known as feed readers or aggregators can check a list of feeds on behalf of a user and display any updated articles that they find. It is common to find web feeds on major websites and many smaller ones. Some websites let people choose between RSS or Atom formatted web feeds; others offer only RSS or only Atom.
Web-based feed readers and news aggregators such as YourLiveWire or NewsGator Online require no software installation and make the user's "feeds" available on any computer with Web access. Some aggregators combine existing web feeds into new feeds, e.g., taking all football related items from several sports feeds and providing a new football feed. There are also search engines for content published via web feeds like Feedster or Blogdigger.
On Web pages, web feeds (RSS or Atom) are typically linked with the word "Subscribe", an orange rectangle, a feed icon, or with the letters XML or RSS. Many news aggregators such as My Yahoo! publish subscription buttons for use on Web pages to simplify the process of adding news feeds.
(The above is taken from a Wikipedia entry.)
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