Last year was the inaugural Urban Prototyping (UP) Festival, which is a Gray Area Foundation for the Arts initiative. What exactly is urban prototyping? Easy. Watch the video. Not satisfied or don’t have much time to watch the video? Okay, I’ll try to offer a simple, straightforward answer. Urban Prototyping entails gathering artists, technologists, makers, or anyone interested in creating something useful, fun, and engaging for city dwellers as well as visitors and re-imagining the urban environment. From a heart-shaped…