XML and Rss

XML or Extensible Markup Language, is a markup language that is commonly used on the internet to share data across different systems. It is a free open standed recomended by the World Wide Web Consortium and is designed to be relatively user friendly.
for XML to work it must be well formated and valid. For example if an element has an opening tag with no closing tag and is not self-closing, it is not well-formed. Also if a document contains an undefined tag then it is not Valid and will not be prosessed. more information on XML can be found at http://en.wikipedia.org/wiki/XML

RSS is a common way to publish frequently updated content on the internet. It is used to share content such as news headlines, blog entries or podcast's. An RSS document is called a feed, web feed or channel and contains summery information form websites that link to articles, other websites or photos. It is possible to make an RSS feed with your favurate websites for used on blogs or other online websites. This can be easily done with RSS reader account with either bloglines or use your google account to set up google reader.