RSS stands for Really Simple Syndication and it’s a way for people to subscribe to updates to your blog using a client like Google Reader or Bloglines. You may not know what RSS is but chances are people are using it to read your blog. We track over 50,000,000 posts read via RSS every week. (Around a 18% addition to our on-site views!) Today we turned on support for all 7.5 million blogs on WordPr