Ever since my first visit to Rio years ago when I used to jog along Leblon admiring the view, I’ve been struck by the legendary beauty of this beachfront city. Now, it’s the city’s new intelligence that takes my breath away. On a recent visit to Rio’s Center of Operations I stood in front of the largest screen in Latin America watching traffic hotspots and roadworks on 80 monitors fed by cameras, sensors, mobile devices and other systems scattered around....