Melbourne and Sydney have taken a techno turn to simplify the lives of their citizens. Drones, artificial intelligence, sensors: the two Australian cities have been doping their arsenal for the last few years. And it's working. Our columnist offers you this weekend an incursion into these two cities... 16,700 km from the orange cones of Montreal. Today: Melbourne. A report by Maxime Bergeron and d'Edouard Plante-Fréchette