Interesting research project at Northwestern University (definitely not ready for prime time, but maybe for second life. Also interesting to see what Kristian Hammond is now up to):
News at Seven is an automatic system that crafts daily news shows. It finds the news you are interested in; edits it; finds relevant images, videos, and external opinions; and then presents it all using a virtual news team working in a virtual studio. New
Another blog based/social news aggregator:
Megite is the social news aggregrator for anyone interested in what’s happening right now by intelligently uncovering the most relevant items from auto discovered news sites and weblogs.
Text Analytics /Metadata extractor with nice firefox plugin. Unfortunately but not surprising only for english texts: