A few years ago I was in Brasil and browsed ridethehill.com the net to find some nice pictures and videos of Rio. I found this video on ibm.com and have to share it with you.
Rios controll system has some really nice features like
flood and landslide forecast
automated notifications to emergency personnel
updates available via Twitter @OperacoesRio
and Facebook at Centro de Operações Rio
and much more …
Here a second video that gives a bit more of an insight how the system is used.