To Metric or not Metric

I was just shown this world map where it shows the the countries that have not implemented the Metric system.
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Source: http://www.motorsportforums.com/forums/showthread.php?141759-To-Metric-or-not-Metric&goto=newpost

Hiroaki Kuzuhara David Ragan NAPA Brakes Toyota Jesús Iglesias Eric McClure