I wonder if those impeccably dressed Jehova's Witnesses in SF subway stations co... | Hacker News

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valgaze on June 18, 2016 | parent | context | favorite | on: My Experience Busking in San Francisco

I wonder if those impeccably dressed Jehova's Witnesses in SF subway stations collect data on their pamphleteering/conversion efforts

ldom22 on June 18, 2016 [–]

They use pamphlet a/b testing as a service for continuous improvement of user acquisition

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