RSS (Really Simple Syndication) is a format used to syndicate news and other web content. This includes major news organizations, but also covers blogs and other types of content. Sites that offer RSS-formatted content are accessible through a news aggregators, which feeds and displays new items from each feed you track.

What is XML?

Extensible Markup Language (XML) is a simple, very flexible text format. Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.