Pretotype It – Make sure you are building the right it before you build it right

Pretotyping helps you fail fast, recover fast and leaves you
plenty of time, money, energy and enthusiasm to explore new tweaks or
ideas until you hit on something that people seem to want – the rare and
wonderful
right
it
!

Alberto Savoia

http://www.pretotyping.org/uploads/1/4/0/9/14099067/pretotype_it_2nd_pretotype_edition-2.pdf

More from Alberto: http://www.pretotyping.org/resources.html