what is rss feed

[ekfaysal]

I heard somewhere about rss feed
i heard that some forum use rss feed and it automaticallly add content from top site.
lets say if i have a news section and i applied rss feed then it ll automatically add news from bbc or any top news site to my site?
is it right?
is yes then how it works

[Sarge]

http://en.wikipedia.org/wiki/RSS
Getting the Most Out of SMF - XML, RSS and RSS2 (and Atom and RDF) feeds