One good reason for building prototypes with PowerPoint is that it's probably already sitting on your hard drive. Another is that anyone you want to share it with probably also has it.
In this tutorial, Maureen Kelly shows how to build working prototypes with PowerPoint by using its interactive features for creating hyperlinks, buttons, and dynamic mouseover effects.
Links:
- Interactive Prototypes with PowerPoint

Henrik Olsen
- August 08, 2007
See also: Tools (106) Prototyping and wireframing (119)