In February 2017, the comedian Sarah Silverman went out for her morning coffee. She was shocked to find signs on the pavement of what looked like an S with a line through the middle. Silverman promptly snapped a photo of the pavement and sent it out to her many millions of Twitter followers. “Is this an attempt at swastikas?” she asked. “Do neo-Nazis not have Google?”30 But it turned out that illiterate neo-Nazis had not taken to the town’s pavements to ineptly try to paint swastikas overnight. The signs on the ground were chalk markings made by construction workers identifying the areas in
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