Really Simple Syndication or, more commonly, RSS 0.9x and 2.x (the latter is an attempt to stablize the standard), is a syndication protocol used primarily by news sites and web logs.
RSS is essentially a web service used for syndicating articles on web sites and blogs in a "latest news" manner.
... appeared in Italian (Venice, 1488,
Milan 1489), Spanish (Seville, 1536), Arabic (Rome,
1663), Armenian (Rome, 1674), Hebrew (Frankfort,
1837), and ...