Paper: the next great iPad app, from the brains behind CourierGeorg Petschnigg throws his hands into the air as he traces the ages of human evolution that led us to develop the fragile wrists we need to use tools. Petschnigg locks his wrist into place and pretends to scribble on an imaginary piece of paper, in the process lamenting the user interfaces we've come to accept from computing platforms. "How do we get back to creating?" he asks. "Developing ideas
