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Standing with Pablo Cerdeira, Rio’s first chief data officer, we have arguably the best view of the city. We’re not up on Christ the Redeemer or Sugarloaf Mountain, but inside Rio’s three-storey Operations Centre, looking down over its mission control. The whole city is represented in front of us in multiple dimensions on a huge wall of screens – live video footage combined with traffic data, weather predictions, and maps of current incidents including floods, accidents, and power failures. Much has been written about Rio’s use of real-time data to provide coordinated emergency response. But we’re here to ask Cerdeira about another, more proactive use of this data, championed by his organisation PENSA.Read less