COMO is an extended media platform located in Seoul SKT Tower and Daejeon SKT Building in Korea. Since December 2004, the LED display has been known as a unique multi-media installation which integrates art and architecture to create new convergence. It is not only a typical urban screen blinking an impersonal message, but also a window being wildly opened to different art-works in public. Art center nabi has been shown various public art programs that are filled with interactive communication between the COMO and public.