Interactive Sketching for the Early Stages of User Interface Design + CHI’95 - James A. Landay, Brad A. Myers / 맹욱재 interactive UI construction tools are hindrance during the early stages of UI design interactive tool called SILK (Sketching Interfaces Like Krazy) - quickly sketch an interface using an electronic pad & stylus. preserves properties of pencil & paper: a very quickly rough drawing & the very flexible medium.