The Think Tank section of Adobe's Motion Design Center has a new piece up by Peter Hall on architecture as interface. Here's a taste:

What if a sign did not simply tout new movies, sodas, and celebrity babies in one-way feeds, but instead revealed something unique about the building, its occupants, or its environment? What if the building could respond, in real time, to the movement of people, the weather, or the whims of bystanders or behind-the-scenes artists? Digital designers and architects have begun working together to move beyond the facade and give buildings a living skin.