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Hey Jarrod, I'm afraid there isn't anything you can actually do to tell Google you are the original author of your content, other than the tips Remus mentioned. However, there is a service that you can use to help you identify sites that are duplicating your content.  It's called Copysentry and it automatically scans the web to check for content duplication. You could use this, in conjunction with DMCA take down requests (as mentioned in Remus's post) to help to defend against this in future.

Hi, It looks like for your site is either the EMD or panda 20. See visibility graph: http://screencast.com/t/nuADEP65t Since you are a good candidate for the exact match domain issue / update you can tackle that but first you should see if you are also a panda candidate and go with the vaccine base don the illness... Hope it helps.