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We had to 301 redirect a large number of URL's. Not Google WMT is telling me that we are having tons of duplicate page titles. When I looked into the specific URL's I realized that Google is listing an old URL's and the 301 redirected new URL as the source of the duplicate content. I confirmed the 301 redirect by using a server header tool to check the correct implementation of the 301 redirect from the old to the new URL. Question: Why is Google Webmaster Tool reporting duplicated content for these pages?

I am an SEO for a people search site. To avoid potential duplicate content issues for common people searches such as "John Smith" we are displaying the main "John Smith" result above the fold and add "other John Smith" search results inside an iframe. This way search engines don't see the same "other John Smith" search results on all other "John Smith" profile pages on our site and conclude that we have lots of duplicate content. We want to get away from using an iframe to solve potential duplicate content problem. Question: Can we display this duplicate "John Smith" content using a delayed AJAX call and robot.txt block the directory that contains the AJAX call?