nickb -- I have no idea if they know what they're doing, but I believe they've got the kind of large datasets you're talking about. On their <a href="http://blo

nickb -- I have no idea if they know what they're doing, but I believe they've got the kind of large datasets you're talking about. On their <a href="http://blog.persai.com/ http://blog.persai.com/">http://blog.persai.com/</a&#62 http://blog.persai.com/</a> blog they describe their collection of several hundred thousand RSS feed. I'm curious to see what they come up with.