Overview
How might we design gesture input so people can trust and act on AI output?
When to use
- Ideal for touch interfaces, creative applications, and mobile tools where gesture-based input provides intuitive, natural interaction methods.
When to skip
- Precision tasks better served by keyboard shortcuts.
- Accessibility requirements mandate non-gesture alternatives.
- Gesture recognition latency breaks drawing flow.
Rules
Gestures with no on-screen legend or tutorial.
Conflicts with OS-level system gestures.
No undo when gesture misfires.
Requiring perfect shapes with no tolerance.
Evidence
| Product | Implementation |
|---|---|
| Apple Pencil | Scribble and lasso selection in Notes and markup. |
| Samsung S Pen | Air actions and circle-to-search gestures. |
| Surface Pen | Ink to shape and gesture shortcuts in Windows ink. |
| Creative apps | Circle lasso for AI edit regions on canvas. |