The typical browsing experience is conducted through a single application window. This is indeed a useful, practical thing. Browser Pong instead exists between a collection of windows. During play the negative space between windows is transformed into a playing field—the abstracted tennis court of Pong. The idea of thinking inside or outside some “box” is of course a dead and beaten horse. Browser Pong attempts to think *with* the boxes. (See stewd.io/w/pong for more information.) —Stewart Smith of Stewdio.