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-- Content, Writing and Copyright
---- Duplicate content issue
phranque - 8:46 am on May 19, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/content_copywriting/4455230.htm
you might be able to discover clues using the advanced search features on google and use a custom date range.
you can sometimes discover publication dates or at least get a rough idea from the wayback machine.
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