Designed for Use, 2nd Edition

Part 2Design

You now have a pretty good idea of who your audience is and what kinds of problems you want to solve. But don’t settle on any particular solution yet! The human mind is pretty good at rationalizing information that goes against its current opinion, so don’t form opinions too easily.

Instead of immediately going for fully formed ideas, start by doing flow diagrams of your product. These are very simple, high-level ideas that will help you figure out how your product might work. Moving from flow diagrams to storyboards to simple sketches and eventually to fully formed mock-ups and even to interactive prototypes, you’ll add details to your designs incrementally.

Always remain open to the possibility that you’re wrong. The longer ...