Simply put, prototyping is the art and science of faking it before making it, where 'it' refers to an innovative product or service. Prototyping is used to make value propositions tangible and concrete.

The purpose of this tool is to fill up an entire wall with the ideas generated by a team in a short amount of time.

Having a ‘war room’ where the team can get together and see progress will boost productivity and efficiency tremendously.