RSS

RSS (Rich Site Summary);
       originally RDF Site Summary; often dubbed Really Simple
Syndication, uses a family of standard web feed formats[2] to publish
frequently updated information: blog entries, news headlines, audio,
video. An RSS document (called "feed", "web feed",[3] or "channel")
includes full or summarized text, and metadata, like publishing date
and author's name.

      RSS feeds enable publishers to syndicate data automatically. A
standard XML file format ensures compatibility with many different
machines/programs. RSS feeds also benefit users who want to receive
timely updates from favourite websites or to aggregate data from many
sites.

      Subscribing to a website RSS removes the need for the user to
manually check the web site for new content. Instead, their browser
constantly monitors the site and informs the user of any updates. The
browser can also be commanded to automatically download the new data
for the user.

     Software termed "RSS reader", "aggregator", or "feed reader",
which can be web-based, desktop-based, or mobile-device-based, present
RSS feed data to users. Users subscribe to feeds either by entering a
feed's URI into the reader or by clicking on the browser's feed icon.
The RSS reader checks the user's feeds regularly for new information
and can automatically download it, if that function is enabled. The
reader also provides a user interface.
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