In response to a question by Willy, I decided to start this thread.
Its a feature offered by many sites that regularly update their information. It allows you to pull headlines and summaries to view in an RSS reader or display using a ticker. The headines/summary contains links to the full articles. So you can scan through and read only what you want without having to browse multiple sites and have multiple tabs open just to get your news fixOriginally Posted by Wikipedia
As the definition from Wikipedia shows, there are a number of different protocols/standards that are just stuffed under the banner of RSS (sometmes incorrectly so). But most RSS readers now support all of them, so its really of little consequence what you want to call it.
I use Sage (a Firefox plugin) to read my feeds.
And here are my favourite feeds:
http://www.macrumors.com/macrumors.xml
http://www.macnn.com/macnn.rss
http://apple.slashdot.org/apple.rss
http://www.thinksecret.com/rss.xml
http://gmail.google.com/gmail
http://news.bbc.co.uk/rss/newsonline...age/rss091.xml
http://news.bbc.co.uk/rss/sportonlin...rds/rss091.xml
http://news.bbc.co.uk/rss/sportonlin...ket/rss091.xml
http://www.distrowatch.org/news/dw.rdf
http://www.linuxjournal.com/news.rss
http://www.linuxinsider.com/perl/syndication/rssfull.pl
http://linux.slashdot.org/linux.rss
http://osnews.com/files/recent.rdf
http://www.wired.com/news/feeds/rss2/0,2610,3,00.xml
http://slashdot.org/index.rss
http://arstechnica.com/news/rss2.0.rdf
http://www.theregister.co.uk/headlines.rss