Pretotyping is a set of tools, techniques, and tactics designed to help you validate any idea for a new product quickly, objectively, and accurately, by Alberto Savoia.

The goal is pretotyping is to help you make sure that you are building The Right It before you build It right. Pretotyping was originally developed at Google in 2010 and since then has been tested, refined, taught, and put into practice with great success in hundreds of projects and organizations.