About the Authors: Rui Madeira is a computational designer, educator, and founder of the interaction design studio Estudio Ruim. He has participated in several projects, both collaborative and solo, including interactive performances and concerts, generative visuals for print and motion graphics, mobile applications, interactive installations, and video mapping. Dawid Gorny is a creative coder and a creative technologist who is into computational design, art, and interaction design. He has worked as a professional web and Flash developer for several years. He is the founder, organizer, and program director of the art+bits festival in Katowice-the encounter of art and technology.