Thread

1. jwally · 1790684914 · focus · HN ↗

   I was thinking about this with flock cameras the other day...what's our actual ROI? Was the world horrible before and these initiatives are going to close a monster crime gap or is this just a giant fishing expedition ... just because?

   1. JimmyBiscuit · 1790693207 · focus · HN ↗

      > what's our actual ROI

      In San Fransico Car Breakins dropped almost immediately by 50% and 75% in the long run since Flock cameras were introduced

      1. jen20 · 1790693688 · focus · HN ↗

         I haven't validated your statistic (and it's unclear what "in the long run means" since this is a point-in-time thing), but assuming it's true, how do you determine it is causation and not correlation?

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