XML

RSS

RSS(Really Simple Syndication: data form by XML transfer system)

RSS(Really Simple Syndication：
真简单联合供稿)以XML为格式基础的内容传送系统

How to access RSS? 
It needs RSS reader software to read data
usually there are many free download sites for reader

What is RSS?
(Really Simple Syndication) is an XML-based format.
It is for sharing and distributing Web content.
You need to use an RSS reader.
So you can view data feeds from various sources.

RSS/News Aggregators
(also called Readers) will download and display RSS feeds.
A number of free and commercial Aggregators are available
for download. Many aggregators are separate,
"stand-alone" programs; 
other services will let you add RSS feeds to a Web page.

Weblogs: (blog, bolgger)

Many people use RSS feeds is by incorporating content
into weblogs, or "blogs". 
Blogs are web pages comprised of usually short, 
frequently updated items and web links. 
Blogging as a publishing tool is used for many purposes: 
traditional journalism, personal journals, 
group discussions around a topic, 
and many combinations in-between.

RSS
需使用RSS阅读软件（RSS Reader）
多处可下载免费阅读软件