• Uses a medium which is unlike the final medium, e.g. paper, cardboard • Is quick, cheap and easily changed • Examples: sketches of screens, task sequences, etc ‘Post-it’ notes storyboards ‘Wizard-of-Oz’
• Uses a medium which is unlike the finalmedium, e.g. paper, cardboard• Is quick, cheap and easily changed• Examples:sketches of screens, task sequences,etc‘Post-it’ notesstoryboards‘Wizard-of-Oz’