This site ( looks like it might be very popular.  It's in beta right now and you need to be invited to test it out.  What it does is allow you to create a feed from any website that doesn't already have feeds.  So basically it's a screen scraper which turns the info into a feed you can read from your feed reader.  What I see happening is webmasters scraping other sites for info they want and then using the feeds on their own sites.  I don't know too much more about the app but I will surely give a try once they come out of beta.

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