title: How Blog software such as Windows Live Writer access Blogs
body: <p>I am wondering How a blog software such as Windows Live writer reads/updates so many blogs such as Telligent, Wordpress, Blogger blogs.</p>
  
  <p>Is there a commom web services standard exposed by these blog providers?</p>
  
  <p>I have a telligent blog hosted on blogs.msdn.com and looking to access it contents in my custom web program. Any idea how can I do that ?</p>