"A news aggregator is software which collect news,
weblog posts, and other information from the web so that they can
be read in a single location for easy viewing. With the range of
news sources available on the internet, news aggregators play an
essential role in helping users to quickly locate breaking news.
"For individuals that read lots of weblogs, a news aggregator
makes keeping track of them effortless, and particularly useful if
the weblogs are only updated occasionally.
"There are a number of different file formats which information
publishers use. The most frequently ones are RSS and Atom. RSS is
an acronym for Really Simple Syndication. It is a defined standard
based on XML with the specific purpose of delivering updates to
web-based content."
