They extracted all geolocated tweets sent between June 22nd-28th that contained the word ‘church’ (17,686 tweets) and the word ‘beer’ (14,405 tweets). Then they assigned each a rating according to which of the two words came out on top and by what margin.
Counties shown in red are those where ‘church’ came out on top, and blue areas are where ‘beer’ was most popular. The darker the shade, the more dominant that word was. Counties in white indicate that the two were roughly equal, while grey denotes missing data.
Tweets including the word ‘beer’ were most dominant in San Francisco (191, compared to 46 for ‘church’), with Dallas, Texas showing the largest margin in favor of ‘church’ tweets (178 compared to 83).