As you’ve likely seen, prototypes can come in all kind of forms, ranging from something drawn on the back of a napkin, through to something that looks very close to the original, designed in a professional software package. Despite this variation we commonly see two different types of prototypes: Low fidelity and high fidelity. A low fidelity prototype is as raw depiction; often a whiteboard drawing or sketch that outlines a particular piece of user interface, an example of which can be seen in Figure 1.



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