Low-fidelity (Lo-Fi) prototyping is characterized by a quick and easy translation of high-level design concepts into tangible and testable artifacts.

Lo-Fi is also know as low-tech, as the means required for such an implementation consist, most of the time, of a mixture of paper, cardboard, post-it notes, and acetone sheets.

A clear advantage of Lo-Fi prototyping is extremely low cost, speed, and the fact that non-programmers and non-designers can actively be part of the idea-crystallization process.

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