The more people and blogs you follow on social networks and through RSS, the more likely it is that you are going to see duplicate data, be it via retweets, forwards, or through many of your friends sending the latest viral videos or images. A new product under development, called Cadmus, looks to filter your real time streams to group similar posts in your feeds to reduce the noise. The service currently works on your Twitter account, your FriendFeed account, or on any number of blogs you add. You can also add many RSS feeds at once via OPML.
Adding Supported Services to Cadmus In my testing of Cadmus, I found it correctly detected retweets, replies from others to the original sender, copies of tweets sent to FriendFeed, and other topically-related items, even if they did not share keywords. Cadmus was even able to find similar updates that were hours or days apart.
The Results: A Quieter Feed By About 10 Percent On average, each refresh of Cadmus filtered around 10 percent of my updates. For runs that included 3,000 or so updates, 300 individual items would be ...Read the full article