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In a nutshell I have some xml feeds available for people to use on their sites if they wish. All the titles of course lead back to my site for 'More Information'
Each file usually consists of 20 - 75 listings. Bottom-line, this cannot hurt our site can it?
Cannot see this as a problem, if people think your content is good enough to put on their site that would cause you no problems with that linking back to you.
This is the whole reason RSS there for. Good luck.