Prototyping is an iterative process. You generate design concepts. You test them. You discover what works, what needs improving, and opportunities for new ideas. Then repeat. The earlier you learn about a design change, the easier it is to implement, and the less costly that change will be. Prototyping allows your team to explore ideas before you invest in them. And when something doesn't meet expectations, there's little resistance to scrapping it. Prototyping your design will get your team and your stakeholders to talk about it. They'll use it, touch it, walk through it at a point in time when you can make changes inexpensively. In this seminar, Todd Zaki Warfel, a recognized leader in the design-research and usability fields, will explore his Eight Guiding Principles for prototyping. These principles are the foundation for more effective prototyping, regardless of the method and tool your team uses. Also, Todd's principles are sure to test and improve your design whether you're a seasoned prototyper or just getting your feet wet.