If you can draw a twig, you can draw a tree.
If you can draw a rock, you can draw an asteroid.
When you distill something down to its simplest form, it becomes infinitely scalable.
While I’m still at the ‘sketched out some wireframes and sat in on a couple of usability tests’ stage myself, I do think Mr Budd makes some good points in his defence of professional UX Designers.
