Information design empowers people to attain their goals. It is centred on users, based on evidence, and oriented to results. It contributes to a vast range of activities that people engage with every day, from simple things such as understanding phone bills or operating a washing machine, to more complex ones such as managing emergency response web based systems, controlling a power plant, or flying an airliner. Good quality information design facilitates these tasks. Experts with several decades of practice alongside younger designers report on research and design methods and present case...