Michael Snow : 60 million hits in 3 hours after release shows hunger for family history . Snow : Hidden for 72 years , it 's now available to all to verify family lore or learn a secret . Census shows U.S. during vast change , he says : coming war , receding Depression . Citing unprecedented movements of the population to areas with heavy concentrations of armaments manufacturing and responding to the administration 's orders , the Census Bureau unveiled a 1941 plan to conduct an annual sample census . Snow : The census is the most important thing we do as Americans today.
Michael Snow : 60 million hits in 3 hours after release shows hunger for family history . Snow : Hidden for 72 years , it 's now available to all to verify family lore or learn a secret . Census shows U.S. during vast change , he says : coming war , receding Depression . Snow : The census is the most important thing we do as Americans today.