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http://www.identitynetwork.net/Articles-?blogid=2093&view=post&articleid=30156&link=1&fldKeywords=&fldAuthor=Roberts%20Liardon&fldTopic=0
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http://www.identitynetwork.net/Articles-?blogid=2093&view=post&articleid=21931&link=1&fldKeywords=&fldAuthor=Roberts%20Liardon&fldTopic=0