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birdy1976: How making fitness into a role-playing game makes us look and feel great (by @owengood via @gmfproductions) #Fitocracy http://t.co/DyiFgFSa
birdy1976: How making fitness into a role-playing game makes us look and feel great (by @owengood via @gmfproductions) #Fitocracy http://t.co/DyiFgFSa