Data mining has come to the fore in recent years as a way of analysing large data sets through identifying patterns. This is increasingly being used to shape decision-making, including in urban planning and design. Michael Kaethler lays out his fears in a lament that the correlation-based approach found in data mining will disorient the emergence and retention of urban narratives. He argues that the story telling that occurs, internally and externally, relies on a causal narrative, which is threatened by a data-centred approach. Saba Golchehr provides a rebuttal in the postscript, a defence of data mining as a new means through which socially innovative narratives can evolve. She argues this requires an open mind and a non-dogmatic approach in order to use correlation as the starting point for the narratives we create.@en