Sam Lumley, Renee Sieber
Are easy to make and use
Help make meaning from data
120 MTurk Participants
How much of the earth's surface is covered by each colour?
Which pollutant is most threatening?
Is pollutant A (red) more threatening that pollutant E (blue)?
Are experts any better?
Visual design matters
Wait for Google/ Mapbox to sort their shit out
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