"How Many Slaves Work for You?" interactivity #geographyteacher (RT @russeltarr) - 0 views
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Steph Pearson on 10 Oct 13"How Many Slaves Work for You?" http://slaveryfootprint.org
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Steph Pearson on 10 Oct 13"How Many Slaves Work for You?" interactivity #geographyteacher: http://t.co/nRDrSkEtqh