Makr Shakr aims to share this new potential - design-make-enjoy - with everyone in just a few minutes: the time taken to prepare a new cocktail.

This participatory act aims to engage them in the issues of social networks and distributed interaction, but also on the possible drawbacks of limited privacy and geographical surveillance.

We have this condition where digital technology is becoming increasingly smaller and distributed in the environment. In a certain sense, this is the first time ever we can describe a city in real time.

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.

Like a tracer running through the veins of the city, networks of air quality sensors attached to bikes can help measure an individual's exposure to pollution and draw a dynamic map of the urban air on a human scale, as in the case of the Copenhagen Wheel developed by new startup Superpedestrian.