The blog commenting system Disqus picked up $500,000 in a series A by Union Square Ventures (Fred Wilson), Naval Ravikant, Howard Lindzon, Aydin Senkut. Union Square’s investment isn’t all too surprising considering how Fred Wilson has raved about the service. Including Wilson’s own blog, Disqus is currently used on over 4,000 blogs with nearly 60,000 commenters.
The service brings enhancements to blog comments that are not standard features in most blog installations, such as threading, spam filtering, comment/user ratings, and user identities. They’ve also integrated OpenID support through ClickPass. Disqus launched with a host of other commenting services around October of last year. IntenseDebate is a close competitor from a competing incubator, TechStars, as well. SezWho, and CoComment also provide some of the same support.
The overall trajectory of the Disqus and other commenting systems is toward building communities around blogs, similar to MyBlogLog (sold to Yahoo). The idea is to serve as an aggregation point for conversations across multiple blogs so avid commenters can more easily track what’s being talked about. They also want incorporate other feeds such as Facebook and Twitter into user’s profiles. While larger blogs might not like the idea of providing content for another destination site, co-founder Daniel Ha says that the service has already taken hold in verticals such as politics and finance.
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