The Branching Storyboard Chapter 4.3 in Sketching the User Interface: The Workbook Image from:
Interactive Sketching Methods for non-sketchers
Part 2. Storyboarding Problem with vanilla sketches hard to capture dynamics of interaction over time captures user interface, not user behaviour A good.
Sequential Storyboards Chapter 4.1 in Sketching the User Interface: The Workbook Image from:
