For another perspective on Prototyping and where, when and how to do it, check out this summary post from Engine Service design.   Prototypes provide insight on various service aspects - from desirability and usability, to viability. They can generate deeper understanding than written descriptions or visual...

Sketching is a muscle that gets stronger the more you use it. And just like any skill, it’s highly personal and individual. Getting good at a few basic shapes and items can go a long way to helping you express your ideas quickly to others…and...