RSS简介

RSS (Rich Site Summary; originally RDF Site Summary; often called Really Simple Syndication) is a type of web feed
which allows users to access updates to online content in a standardized, computer-readable format. 
通常这三种解释，指代的都是一个东东：Rich Site Summay, RDF(Resource Description Framework) Site Summary, Really Simple Syndication
RSS是一种web种子,允许用户用一种标准的，电脑可读的方式来访问在线内容的更新。基于xml
一句话总结：RSS可以方便的让你来聚合自己感兴趣的内容，而不用一个个网站去访问。