The MediaTic building is designed to be a communications hub and meeting point for businesses and institutions in the world of information and communication technologies (ICTs), as well as for the media and audio-visual sectors. Now, in the Information era, architecture has to be a technological platform, in which bits, connectivity, new materials, and nanotechnology are important. Connections are more relevant than materials. Its complex façade, made of ETFE, represents digital construction, the construction of of information. It responds to the user s necessity: when too much direct sunlight, the ETFE skin protects the inside. When light is needed it opens itself and lets the daylight in. The result is an eco-energy-efficient building. This book unveils the most intriguing and exceptional facts of this building. A fine example of what is called performative architecture .