Interesting! Unfortunately, your application seems limited to the mac, so I won't be able to use it.<p>Also, I couldn't watch your video entirely, it got stuck on the middle. I'm not sure if the problem is on my browser's part of if the video is corrupt, but maybe you could mirror it to youtube for people like me?
This could be especially useful for any project where you don't really know much about your data set and you're just getting the lay of the land. Makes me want to throw some data from <a href="http://www.kaggle.com/" rel="nofollow">http://www.kaggle.com/</a> in there.