Carlo Ratti

As people talk, text and browse, telecommunication networks are capturing urban flows in real time and crystallizing them as Google's traffic congestion maps.

Today, for the first time - and the Obama campaign showed us this - we can go from the digital world, from the self-organizing power of networks, to the physical one.

Cities are 2% of the earth's crust, but they are 50% of the world's population.

Another thing that freaks me out is time. Time is like a book. You have a beginning, a middle and an end. It's just a cycle.

I have thrown chairs, but only during football matches. Generally, I am well-behaved. I do not like to make people angry.

I decided to set out to prove that you could make a reasonable living building for the poor using recycled materials and only hiring unskilled labor.