Source helps creators do more of what they love

A device that enables collaboration will lessen the chance of work having to be completely redone.

In such a test, the user performs realistic tasks by interacting with the paper prototype

Three techniques of paper prototyping used for usability testing are comps, wireframes

Rapid prototyping involves a group of designers who each create a paper prototype

Functionality is similarly unimportant, but in this case are closer to the final product