Here Don Norman discusses knowledge in the head vs knowledge in the world – from The Design of Everyday Things. Extracts:·    “Every day we are confronted by numerous objects, devices, and services, each of which requires us to behave or act in some particular manner. Overall, we manage quite well” ·    “Our knowledge is often quite incomplete,… Continue reading Knowledge in the head vs the world: And how to design for cognition. Norman – Design of Everyday Things