If you are working on a project, startup or anything. You should make sure “it” is the right “it” before you spend lots of money or time on “it”.
The term and concept of pretotyping was originally developed by Alberto Savoia in 2009 while he was working at Google as Engineering Director and Innovation Agitator. Since then, pretotyping has been spreading quickly and globally: Alberto's book Pretotype It has already been translated into several languages, classes on pretotyping are being taught at Stanford and other universities throughout the world, etc.
Google Engineering Director and Innovation Agitator, Alberto Savoia , talks about the importance of pretotyping in the video below.
You should take the time to look at the Speech he did at Stanford university
For more information go to the www.pretotyping.org website