10x10 scans Reuters, BBC, and NYTimes news feeds for keywords and then displays photo representations of the top 100 keywards. By clicking on the photos you can actually view a larger image and read the news articles. I don't think this particular application is particularly usefull in a practical manner, but it sertainly is a rocking example of innovative information visualization.
Check it out: 10x10 / 100 Words and Pictures that Define the Time / by Jonathan J. Harris
Via: unmediated: A 10x10 View of the News