The only thing on this planet non carbon based that is nearly as complex as the human mind is the city. Maybe there is more carbon in cities than we think. They could be an interesting combination of carbon (us) and silicon (CPU’s). Where do you place the microphone to listen in? Maybe the force driving us towards every smarter cities is to set up the first dialog? Here are a few links describing the smartification of cities. What better symbol of city awareness than a spinning eye of Mordor?