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Trigger private browsing in Safari for specific sites - tuaw.com
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGboceXvFnBPJCTAOPY11Ad7Kbidw&url=http://www.tuaw.com/2012/07/30/trigger-private-browsing-in-safari-for-specific-sites/