“PostRank is a scoring system developed by AideRSS to rank online content, such as RSS feed items, blog posts, articles, or news stories. This scoring system is based on social engagement, which refers to how interesting or relevant people have found an item or category to be.”
For all the details, go check out PostRank’s site. Oh, and make sure to play the video… you just might recognize the voice
Oh, and if you’re not using the AideRSS Firefox plug in for Google Reader… give it a try, you’ll love it!
Check out the original blog post.