Co-Evolution of Problem and Solution Spaces in Creative Design An Essay by Nigel Cross & Kees Dorst www.researchgate.net Between the two spaces What the prototype tells youSolution to evaluation and back againIn terms which must be alteredPrimitive design
The Nature of Product An Article by Marty Cagan www.svpg.com Too many product managers and product designers want to spend all their time in problem discovery, and not get their hands dirty in solution discovery – the whole nonsense of “product managers are responsible for the what and not the how.” On GreatnessOne Of Us uxproductsproblemsdesign