I am happy to announce the launch of our newest service: Commentful

Acquired by us in January, we have spent a lot of time overhauling the site, making it faster, and adding new features. So if you’ve tried Commentful before but weren’t happy - I do suggest you try it again.

What Commentful does is make it easy to track blog conversations. RSS feeds are great to find out when a blog has a new post, but what if you want to track comments on a specific post?

Commentful solves that problem. Any time you visit a page where you wish to track comments, you add it to your Watchlist (this can be done through our FireFox extension, bookmarklet, or through the website). Every time you visit your Watchlist, the system checks to see if there are any new comments. For those using our FireFox extension, there is no need to visit the website - our extension adds a little image to your status bar. Whenever there is an unread comment, it turns green. We even provide an RSS feed if you wish to track it that way.

What makes Commentful powerful is both its approach and flexibility. Our simple approach means we only tell you that there are new comments - we don’t attempt to scrape them off the site. This keeps everything light and fast. For flexibility, we can track almost anything - from blog posts to YouTube to Digg to Flickr to del.icio.us to even message boards (vBulletin, phpBB, IPB, etc) and eBay! You can find a full list here.

Head on over to Commentful to get started - I myself am already tracking over 200 blog conversations.