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Hi Daniel, Might I suggest using a tool to customize the content according to the referral?  So that you can keep the same URL and the same page will receive all the link juice if you get any back links. However, creating different pages with noindex will work too.

Well as I understand it if I have these keywords added through a campaign then they will not consume the quantity of available keywords through the rank tracker. Every one of the keywords is in a campaign (to my knowledge). The usefulness of the keyword rank tracker is that it's able to export the results for use on a spreadsheet we utilize.