sxore is an identity and reputation system for blog authors, readers and commenters. By acting as an intermediary between blog posts and comments, sxore provides a framework of identity for participants in the blog dialog. At its simplest, this framework stops comment spam by requiring commenters to prove that they’re not automated spam bots, and by providing moderation tools to blog authors. Sounds interesting? Read more at the link above. I got bored after the first few paragraphs because I thought they were overthinking the whole commenting thing. Also, their website has a distinct “Flickr” feel to it. Anyone use their beta software yet?